完形填空

　　In 1896, 36-year-old Helga Estby and her 18-year-old daughter, Clara, walked across America. Their 3500-mile __1__ from Spokane to Manhattan was physically discouraging. Dressed in long skirts and thin leather shoes, __2__ only a small bundle of belongings, the women found their endurance and courage __3__ daily by tramps, rattlesnakes, deserts, snowy mountain and flooded rivers.

　　The greatest hardship, __4__, is shown in the title of Linda Lawrence Hunt's book,“Bold Spirit: Helga Estby's Forgotten Walk Across Victorian America.”The woman's __5__ to leave her family-- including two children younger than 4-- for seven months __6__ such anger and grief that her daughters, __7__ Estby's death in 1942, __8__ their mother's writings about her incredible journey.

　　The 1893 depression（大萧条）had left the Estby family __9__ seemingly insurmountable（不可克服的）bills.“ __10__ on paying taxes, Helga was ready to do anything to __11__ the Mica Creek farm and home built by her husband, Ole, for their family of nine children,” Hunt writes. A $10000 award for being the first woman to travel unaccompanied（无陪伴的）by a __12__ across the country __13__ Helga from her Eastern Washington home. The journey was to __14__ women's hardness and courage.

　　Hunt __15__ learned of the trip from an eighth-grader's seven-page __16__ in the Washington State History Day contest.“Grandma Walks From Coast To Coast”was __17__ on two newspaper clippings about the boy's great-great-grandmother; they were the only things saved when Estby's daughters burned her __18__. Hunt constructed her story from newspaper accounts, historical societies' records, public __19__, and what little information and memories __20__.

完形填空

　　It was the one-and-a-half weeks since Sonya and I began our“silence marathon”.

　　Sonya had a huge effect on clothes my friends and I wore. We'd always have to __1__ with her to see how we looked. Her cruel words often __2__ all my self-confidence（自信心）for the day-- and then she would then tell me that she should be my __3__ consultant（顾问）.

　　Well, on this particular day I made one single, __4__ comment about her clothes,“I like those shoes, but they don't __5__ your sweater.”I said. Her eyes started to burn __6__ they were on fire.

　　After that, every time I walked past her, I could smell her perfume-- it was the __7__ I had given her for her birthday. It drove me mad, but I managed to __8__ my angry feelings towards her and kept walking on by.

　　I developed some very useful __9__ to make her think about me. One time __10__ still sticks in my mind. It was during the break and I was trying to ignore（忽略）my deskmate's bad __11__ when he told me about the onion chips he had for lunch. The story wasn't at all humorous __12__ I giggled（哈哈地笑）just so she could see me laughing.

　　Then, one maths lesson, the room was so __13__ I could hear my heart beating in my chest. And my nose __14__ the perfume again. I really don't __15__ feeling anything. I looked down at my hand and wondered why it was __16__. I looked up and she was sitting there, beautiful as ever.

　　I__17__ my courage to say“I'm sorry.”But all that came out was a trembling voice and something like,“Hi.”And I guess she was __18__ too, because when she said“Hi”back, it sounded just like __19__ And this was the start of our new fashion and feeling-conscious __20__.

(1)A．check	B．deal		C．play	D．connect
(2)A．developed	B．destroyed		C．doubled	D．provided
(3)A．career	B．family		C．study	D．fashion
(4)A．useless	B．valueless		C．harmless	D．helpless
(5)A．fit	B．match		C．fix	D．serve
(6)A．as 　　 if	B．even 　　 though		C．as 　　 far as	D．so 　　 that
(7)A．product	B．pattern		C．kind	D．brand
(8)A．control	B．relax		C．cure	D．forget
(9)A．techniques	B．steps		C．factors	D．solutions
(10)A．at 　　least	B．in 　　 fact		C．for 　　 ever	D．in 　　 particular
(11)A．purpose	B．breath		C．clothes	D．teeth
(12)A．and	B．until		C．but	D．when
(13)A．noisy	B．messy		C．quiet	D．empty
(14)A．was 　　 filled with			B．was 　　 fed up with
C．was 　　 amazed at			D．was 　　 pleased with
(15)A．care		B．remember	C．consider		D．admit
(16)A．moving		B．sinking	C．shaking		D．waving
(17)A．gathered		B．held	C．increased		D．collected
(18)A．delighted		B．frightened	C．disappointed		D．excited
(19)A．hers		B．ours	C．yours		D．mine
(20)A.satisfaction		B.organization	C．membership		D．relationship

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　　It is commonly believed that school is where people go to get education.___1___, it has been said that today children___2___their education to go to school. The___3___between schooling and education suggested by this is important.

　　Education is___4___, compared with schooling. Education has no____5___. It can take place __6___, whether in the shower or on the job, whether in a kitchen or on a tractor. It includes both the___7___learning that takes place in schools and the whole universe of learning out of class.___8___the experience of schooling can be known in advance, education quite often produces ___9__. A chance talk with a ___10___may lead to a person to discover how ___11___he knows of another country. People obtain education from __12___on. Education, ___13___, is a very___14___and unlimited term. It is a lifelong experience that starts long ___15___the start of school, and one that should be a necessary part of one's entire life.

　　Schooling, on the other hand, is a ___16____experience, whose style changes ___17____from one way to the next. Throughout a country, children arrive at school at the same time, take____18____seats, use similar textbooks, do homework, and____19____, and so on. Schooling has usually been ____20____ by the edges of the subjects being taught.

 

(1)A.Then	B.However
C.Thus	D.Therefore
(2)A.understand	B.need
C.enjoy	D.interrupt
(3)A.difference	B.importance
C.use	D.problem
(4)A.limit	B.endless
C.countless	D.simple
(5)A.answers	B.ways
C.edges	D.meanings
(6)A.anywhere	B.anywhere 　　 else
C.somewhere	D.somewhere 　　 else
(7)A.part-time	B.public
C.standard	D.strict
(8)A.If	B.Because
C.So	D.Though
(9)A.development	B.surprises
C.knowledge	D.progress
(10)A.neighbor	B.friend
C.foreigner	D.teacher
(11)A.much	B.well
C.greatly	D.little
(12)A.babies	B.grown-ups
C.women	D.men
(13)A.still	B.next
C.then	D.yet
(14)A.long	B.broad
C.narrow	D.short
(15)A.that	B.when
C.after	D.before
(16)A.basic	B.strict
C.final	D.irregular
(17)A.unusually	B.differently
C.little	D.frequently
(18)A.large	B.new
C.fixed	D.small
(19)A.take 　　 exams	B.hold 　　 exams
C.mark 　　 papers	D.read 　　 papers
(20)A.changed	B.limited
C.chosen	D.controlled

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　　Our country has many opportunities for adults who want to make their lives better. There are public schools you can attend. In the schools you can take things like English, arithmetic and history. You can find classes in almost___1____subject you want to study. You may want to___2___to type, sew, paint or fix TV sets. You may want to learn ___3___about the trade you are already in. You may want to get a high school diploma. You may ___4___want to go to college. All it takes is time and effort.

　　In many cities, there are adult classes in the ___5____schools. You can attend many of these without____6____to pay money. In some schools you may have to pay a small fee. There are____7____many kinds of private schools for adults, where you may have to pay more money.

　　Many job opportunities are___8____to those who wish to work. It helps if you know____9___than one language. There are good____10____for interpreters and typists who know English.

　　There are many good jobs in government. In most cases, you___11___be a citizen of this country, and you must ____12____a civil service examination. These examinations are ____13____to everyone, regardless of race, religion or color.

　　For many civil service jobs ____14____a high school diploma. The person who does not have a high school diploma can get___15____.There are several ways. You can study high school____16____at home and then take special tests.____17____you pass the tests, then you get a diploma.____18____ you can go to night school. There are classes that ___19____you to take special tests to get a diploma.

　　Be as well trained as you can. Get as much training as you can.____20___knocks at every door. Be sure that when it knocks at your door you are ready.

　

(1)A.some	B.any
C.all	D.either
(2)A.know	B.study
C.learn	D.begin
(3)A.what	B.more
C.again	D.others
(4)A.perhaps	B.never
C.very	D.even
(5)A.middle	B.high
C.public	D.private
(6)A.regretting	B.agreeing
C.having	D.beginning
(7)A.still	B.also
C.almost	D.such
(8)A.chosen	B.allowed
C.promised	D.offered
(9)A.better	B.more
C.fewer	D.less
(10)A.jobs	B.schools
C.works	D.wishes
(11)A.can	B.may
C.must	D.need
(12)A.take	B.join
C.hold	D.give
(13)A.possible	B.open
C.limited	D.permitted
(14)A.want	B.get
C.demand	D.need
(15)A.none	B.one
C.them	D.that
(16)A.subjects	B.classes
C.tests	D.books
(17)A.Until	B.First
C.If	D.Though
(18)A.Or	B.Since
C.But	D.So
(19)A.make	B.permit
C.lead	D.prepare
(20)A.Text	B.Job
C.Diploma	D.Chance

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　　Some myths are stories told since ancient times to explain the causes for natural happenings. The Greek myth that explains why there are changes of____1____is about Demeter, the goddess of the harvest. She had a daughter, Persephone, whom she loved very much. Hades, god of the underworld, fell in love with Persephone, and he asked Zeus, the___2____of the gods, to give Persephone to him as his____3____.Zeus did not want either to disappoint Hades or to upset Demeter, so he said he would not agree to the marriage, but neither would he___4____it. Hades, therefore, decided to take the girl without____5___When Persephone was picking flowers in the garden, he seized her and took her to the underworld. When Demeter___6____what happened to Persephone, she became so____7____that she caused all plants to____8____. People were in____9____of starving. But Demeter was determined not to let crops grow___10____her daughter, Persephone, was returned to her.___11_____, still not wanting to disappoint Hades, decided upon a condition for Persephone's____12____. She could go back to her mother if she had not____13____anything while she was in the underworld. Demeter_____14____it because she did not know that Persephone had eaten several pomegranate（石榴）seeds in the underworld. When Zeus _____15____ this, he agreed that Persephone could spend part of the year with her ____16____, but he added that since she had eaten the seeds, she must spend part of the year in the underworld. And so it ___17___that when Persephone is in the underworld, Demeter is sad and therefore____18____not let the crops grow. That is____19____we have winter when plants do not grow. When Persephone returns, Demeter is ___20____, it is spring, and plants begin to grow again.

　

(1)A.periods	B.seasons
C.time	D.age
(2)A.winner	B.ruler
C.advisor	D.fighter
(3)A.wife	B.lover
C.partner	D.daughter
(4)A.forbid	B.forgive
C.admit	D.accept
(5)A)Arrangement	B.warning
C.reason	D.permission
(6)A.let 　　 out	B.worked 　　 out
C.thought 　　 out	D.found 　　 out
(7)A.excited	B.tired
C.angry	D.serious
(8)A.grow 　　 fast	B.start 　　 growing
C.stop 　　 growing	D.grow 　　 slowly
(9)A.danger	B.hope
C.turn	D.case
(10)A.since	B.until
C.after	D.when
(11)A.Persephone	B.Zeus
C.Demeter	D.Hades
(12)A.return	B.change
C.marriage	D.journey
(13)A.stolen	B.found
C.eaten	D.heard
(14)A.understood	B.refused
C.doubted	D.accepted
(15)A.discovered	B.studied
C.forgot	D.prepared
(16)A.daughter	B.mother
C.god	D.ruler
(17)A.works	B.remains
C.happens	D.starts
(18)A.should	B.can
C.dare	D.will
(19)A.where	B.because
C.why	D.how
(20)A.nice	B.friendly
C.fresh	D.happy

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　　Specialists say that it is not easy to get used to life in a new culture“Culture shock”is the term these specialists ____1___when talking about the feelings that people have in a new environment. There are ___2____stages of culture shock, according to the specialists. In the first stage, the newcomers like their new environment. Then, when the fresh experience___3___, they begin to __4___the city, the country, the people and ___5___else. In the last stage, the newcomers begin to adjust to（适合）their surroundings and, as a result,___6___their life more.

　　There are some obvious factors（因素）in culture shock. The weather may be unpleasant. The customs may be different. The public ___7___ systems——the telephone, post office, or transportation——may be hard to work out. The most simple things seem to be big ___8___. The language may be difficult.

　　

　　___9___ feels culture shock? Everyone does in this way or that. But culture shock surprises most people. Very often the people having ___10___ culture shock are those who ___11___ had any difficulties in their home countries and were successful in their community. Coming to a new country, these people find they do not have ___12____ established positions. They find themselves without a role, almost without an identity. They have to build a new selfimage.

　　

　　Culture shock ___13____ rise to a feeling of disorientation（迷失方向）.This feeling may be homesickness. Homesick people feel like staying ___14___ all the time. They want to protect themselves from the ___15____ environment, and create and escape inside their room for a sense of ___16___. This escape ____17___ solve the problem of culture shock for the short term, but it does nothing to make the person ___18___ with the culture. Getting to know the new environment and ___19___experience——these are the ____20___ solutions to the problem of culture shock.

(1)A.spend	B.discover
C.know	D.use
(2)A.two	B.three
C.four	D.five
(3)A.comes	B.appears
C.disappears	D.creates
(4)A.love	B.appreciate
C.control	D.hate
(5)A.something	B.everything
C.nothing	D.things
(6)A.satisfy	B.realize
C.enjoy	D.find
(7)A.service	B.society
C.education	D.relation
(8)A.things	B.ones
C.problems	D.work
(9)A.What	B.Who
C.When	D.Why
(10)A.better	B.the 　　 best
C.worse	D.the 　　 most
(11)A.seldom	B.ever
C.once	D.likely
(12)A.proper	B.the 　　 same
C.very	D.the 　　 newly
(13)A.tells	B.shows
C.gives	D.means
(14)A.outside	B.inside
C.alone	D).abroad
(15)A.faraway	B.noisy
C.unknown	D.strange
(16)A.safety	B.silence
C.loneliness	D.regret
(17)A.doesn't	B.does
C.do	D.needn't
(18)A.match	B.catch
C.familiar	D.turn
(19)A.gaining	B.gain
C.gained	D.being 　　 gained
(20)A.good	B.wrong
C.right	D.long-term

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　　DC Hilton was one of the first American to find out that there was money to be made in the middle of the night. 42 years ago be bought a small __1___on US highway 69, in Oklahoma. His___2___customers were truck drivers and___3___salesmen who drank coffee and ate cheese-burgers when they stopped to___4___their journey.

　　

　　It was they who first tried to____5____Hilton to remain open all night. He thought about it for a while, and then suddenly made up his___6____. He took the door key and threw it across the road. He hasn't closed the door____7___.

　　Over the years his simple cafe expanded into a 24-hour roadside ____8___,with a 100-seat restaurant, a petrol station, a mini shopping market, a car ___9___for mobile homes and all-night selfhelp laundry（洗衣店）.

　　

　　Hilton was a ___10__in a 24-hour working trend which has now ___11___ around the world. Today not only restaurants but also hanks, supermarkets, mail-order ___12___and many other businesses are___13___to be open all night. But is this really a good thing?

　　A lot of ____14____has been done in America on the effect of 24-hour working and there is growing ___15____about the long term dangers of society that doesn't sleep.

　　Americans are said to be___16___20％ less than they did 100 years ago, and 55％ claim to __17___at least occasionally from overtiredness. ___18____of the worst man-made accidents happened in the last few hours before ___19___, when even the most experienced night-worker has difficult____20____awake.　　

　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　

(1)A.market	B.business
C.station	D.restaurant
(2)A.main	B.common
C.strange	D.only
(3)A.shopping	B.clothing
C.traveling	D.cooking
(4)A.start	B.break
C.enjoy	D.continue
(5)A.persuade	B.suggest
C.order	D.warn
(6)A.plan	B.thought
C.mind	D.decision
(7)A.then	B.since
C.later	D.yet
(8)A.cafe	B.building
C.workshop	D.hotel
(9)A.garage	B.park
C.repair	D.rest
(10)A.pioneer	B.dealer
C.master	D.manager
(11)A.caught 　　 in	B.caught 　　 out
C.caught 　　 on	D.caught 　　 up
(12)A.shops	B.firms
C.markets	D.departments
(13)A.ordered	B.forced
C.performing	D.beginning
(14)A.research	B.effort
C.work	D.information
(15)A.interest	B.sense
C.concern	D.progress
(16)A.working	B.playing
C.sleeping	D.relaxing
(17)A.recover	B.suffer
C.return	D.prevent
(18)A.Some	B.Few
C.None	D.All
(19)A.dust	B.midnight
C.darkness	D.dawn
(20)A.staying	B.becoming
C.continuing	D.insisting

　

完形填空

　　As a teenager, I felt I was always letting people down. I was rebellious （反叛的）on the outside,___1___on the inside I wanted people to ___2____me.

　　

　　Once I left home to hitchhike（搭便车）to California with my friend Penelope. The trip wasn't ____3___, and there were many times I didn't feel safe. One situation in particular ___4____ me grateful to still be alive. When I returned home, I was not so outwardly（表面地）different.

　　

　　I was happy to be home. But then I noticed that Penelope, who was____5____with us, was wearing my clothes. And my ____6____seemed to like her better than me. I wondered if I would be __7___if I weren't there. I told my mom, and she explained that ___8___Penelope was a lovely girl, no one could ___9___me. I pointed out,”She is more patient and is heater than I have ever been.” My mom said these were wonderful ___10____,but I was the only person who could fill my ___11____. She made me realize that even with my____12_____——and they were many ——I was a loved member of the family who couldn't be replaced.

　　

　　I became a searcher,___13___who I was and what made me unique（独特的）. My____14___of myself was changing. I wanted a solid base to start from. I started to resist（抵制）pressure to ___15___in ways that I didn't like any more, and I ___16___who I really was. I came to feel much more ____17___that no one can ever take my place.

　　

　　Each of us ____18____ a unique place in the world. You are special, no matter what others say or what you may think. So ____19___ about being replaced. You ___20___ be.

(1)A.And	B.but
C.so	D.for
(2)A.leave	B.replace
C.receive	D.like
(3)A.easy	B.hard
C.fun	D.long
(4)A.caused	B.kept
C.left	D.forced
(5)A.playing	B.eating
C.staying	D.traveling
(6)A.family	B.friends
C.relatives	D.neighbors
(7)A.loved	B.mentioned
C.cared	D.missed
(8)A.since	B.as
C.though	D.unless
(9)A.scold	B.compare
C.replace	D.match
(10)A.qualities	B.girls
C.people	D.times
(11)A.character	B.role
C.task	D.form
(12)A.faults	B.advantages
C.good	D.pities
(13)A.looking 　　 for	B.looking 　　 back
C.seeking 　　 out	D.giving 　　 up
(14)A.picture	B.view
C.sense	D.idea
(15)A.think	B.learn
C.change	D.act
(16)A.hated	B.celebrated
C.wished	D.expected
(17)A.sure	B.doubtful
C.happy	D.lonely
(18)A.takes	B.catches
C.seizes	D.holds
(19)A.talk	B.forget
C.care	D.argue
(20)A.mustn't	B.shouldn't
C.can't	D.needn't

完形填空

　　“You can learn English more efficiently（效率高地）if you spend 20 minutes a day for a week than if you spend two hours a day. “This is what a teacher usually says when he tells his students _____1_____ allot（分配）their time. But is it true?

　　

　　Suppose you have a bucket _____2_____ a small hole in its bottom. Now you are asked _____3_____ the bucket with the water in a basin. If you are too little a boy to lift the basin _____4_____ water, you are sure _____5_____ use of a bowl or something alike. You will dip out the water from the basin with the bowl and _____6_____ it into the bucket. You may dip from the basin again and again. However, you will soon _____7_____ that as soon as you pour a bowl of water into the bucket, most of the water leaks out through the _____8_____, so you are _____9_____ able to fill up the bucket this way.

　　On the contrary, if you are an adult, you will undoubtedly _____10_____ the basin and pour the whole basin of water into the bucket at once. Now, the bucket is full. Though the water in it is also leaking out, you at least have filled up the bucket with water. If you want _____11_____ the bucket full, you only _____12_____ add a bowl of water now and then.

　　The same is true of English learning. Let us _____13_____ a simple example If you learn 10 new words today, you are most likely to remember nine _____14_____. But if you try to learn 30 words today, though you may forget _____15_____ more than one word, you may still be able to remember 11 or 12 words tomorrow.

　　Day in and day _____16____, you will be able to remember a large number of words, _____17_____ you may forget some of them.

　　In short, the more time you spend at a time, the more you will learn on the whole, Of course, _____18_____ time you spend each time must be _____19_____ the limit that you do not exhaust（使筋疲力尽）_____20____ .

　　

　

(1)A.what 　　 to		B.when 　　 to	C.why 　　 to	D.how 　　 to
(2)A.with		B.on	C.about	D.in
(3)A.filling 　　 up		B.to 　　 pour	C.to 　　 fill up	D.pouring
(4)A.of 　　 full		B.filling 　　 with	C.full 　　 with	D.full 　　 of
(5)A.making		B.to 　　 make	C.to	D.of
(6)A.throw		B.pour	C.dip	D.catch
(7)A.see		B.watch	C.look 　　 at	D.find
(8)A.hole		B.bowl	C.bucket	D.basin
(9)A.easily		B.slowly	C.never	D.fast
(10)A.put		B.rise	C.place	D.lift
(11)A.to 　　 remain		B.remaining	C.keeping	D.to 　　 keep
(12)A.can		B.have 　　 to	C.must	D.may
(13)A.take		B.make	C.do	D.think
(14)A.yesterday		B.tomorrow	C.ago	D.before
(15)A.bit		B.little	C.fairly	D.far
(16)A.away		B.out	C.ago	D.before
(17)A.but		B.though	C.however	D.in 　　 spite
(18)A.the 　　 amount of			B.the 　　 more
C.the 　　 number of			D.a 　　 great deal of
(19)A.in	B.within		C.among	D.inside
(20)A.yourself	B.oneself		C.myself	D.the 　　 learner

完形填空

Hidden passengers travelling in ships, trains, or even cars can be a terrible trouble——especially when they are insects. As for this, there is a great _____1_____ between human beings and insects. The former _____2_____ every possible effort to avoid being discovered ,while the latter quickly _____3_____ attention to themselves.

　　

　　We can only show mercy to the _____4_____ man who had to stop his car soon after _____5_____ from a country village to drive to London. Hearing a strange noise from the _____6_____ of the car, he naturally got out to _____7_____ the wheels carefully, but he found nothing wrong, so he _____8_____ his way. Again the noise began _____9_____ and became even louder. Quickly _____10_____ his head, the man saw what appeared to be a great _____11_____ loud following the car. When he stopped at a village further on, he was told that a queen bee must be hidden in his car as there were thousands of bees_____12____ .

　　

　　On learning this, the man drove away as quickly as possible. After an hour's _____13_____ driving, he arrived safely in London. Where he parked his car outside a _____14_____ and went in. It was not long _____15_____ a customer who had seen him arrive _____16_____ in to inform him that his car was _____17_____ with bees. The poor driver was _____18_____ that the best way should be to call a _____19_____. In a short time the man arrived. He found the unwelcome passenger hidden near the wheels at the back of the car. Very thankful to the driver for this _____20_____ gift, the bee-keeper took the queen and her thousands of followers home in a large box.

　　

 

(1)A.connection			B.difference
C.communication			D.similarity
(2)A.do		B.take	C.make	D.try
(3)A.give		B.keep	C.pay	D.draw
(4)A.unfortunate		B.careless	C.unpleasant	D.hopeless
(5)A.passing 　　 by			B.leaving 　　 out
C.setting 　　 out			D.getting 　　 up
(6)A.front	B.back		C.left	D.right
(7)A.clean	B.change		C.test	D.examine
(8)A.drove	B.continued		C.pushed	D.forced
(9)A.normally	B.gently		C)Actually	D.immediately
(10)A.hiding	B.turning		C.shaking	D.raising
(11)A.black	B.beautiful		C.white	D.colorful
(12)A.below	B)Ahead		C.nearby	D.behind
(13)A.boring	B.careful		C.exciting	D.hard
(14)A.hotel	B.museum		C.hospital	D.school
(15)A.when	B)After		C.until	D.before
(16)A.broke	B.moved		C.hurried	D.dropped
(17)A.crowded	B.covered		C.filled	D.equipped
(18)A)Advised	B.required		C.ordered	D.requested
(19)A.beekeeper	B.policeman		C.waiter	D.repairman
(20)A.unfamiliar	B.unknown		C.unexpected	D.uncertain