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27. We're leaving at six o'clock , and hope _____ most of the journey by lunch time .

A. to do     B. to have done     C. to make     D. to have made

答案是B项。要答对这道题需要两方面的知识。一是不定式的完成体用来表示这个动作发生在谓语动作之前,或是表示该动作的完成。本题中的不定式的完成体表示的正是该动作的完成,因此这句话可改写为:We're leaving at six o'clock , and hope that we will have done most the journey by lunch time . (我们将在六点时动身,希望在午饭前走完大半路程。)第二,知识是与journey连用的不同的动词所具有的不同的内涵。词组to make a journey或to go on a journey 都表示"做一次旅行",在这两个词组里a journey是一个整体,但是如果要表示旅程中的一部分,正确的英语则使用do这个动词,例如:do some / much / most of the journey (走完这个旅程的一部分/大部分/绝大部分)

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26. I _____ you somewhere before , but your name has escaped me _____ moment .

A. must see ; for a moment   B. must have seen ; for a moment

C. must see ; for the moment   D. must have seen ; for the moment

答案是D项。must与不定式的完成体连用表示对过去发生的事持肯定态度的推断,在疑问句中用can,在持否定态度的推断时用can not 。例如:He must have rid himself of his preumonia last week , for you see , he doesn't cough at all now . (他在上星期肯定治愈了他的肺炎,你看,他现在一点都不咳嗽了。) for a moment表示一个动作延续了一会儿,而for the moment 则表示"目前;暂时"

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25. It's nearly seven o'clock . Jack _____ be here at any moment .

 A. must   B. need  C. should   D. can

答案是C项。根据语境空白处应填表示具有"随时可能"意义的情态动词。虽然can可以表示可能性,但它往往表示的是对这种可能性的怀疑。例如:Can he still be alive after all these years ? (这么多年之后,他还可能活在人世吗?) should除具有"应该"词义之外,还有一个含义是:will probably (将来很可能发生)又如:His uncle is working among the enemy officials now . Dangerous things should happen to him at any time . (他的叔叔现在在敌人的军营中工作,危险的事随时都可能发生在他身上。)

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24. Mrs. Green wants to buy that kind of cloth because she ______ that the cloth _____ very well .

A. has been told ; washes  B. is told ; is washed  C. has been told ; is washed  D. is told ; is washed

答案是A项。根据语境第一个空白处应该使用现在完成时的被动语态,第二个空白处应该选用washes,因为wash这个动词也可作不及物动词使用,它的词意是"耐洗"。英语中This cloth washes well表达的是:这布很耐洗。

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23. -When ______ and visit our exhibition next month ?   -When _______ , I will let you know .

A. will he come ; he will come     B. will he come ; he comes

C. does he come ; he will come     D. does he come ; he comes

答案是B项。第一句中的时间状语next month确定了这句的一般将来时的时态,然而第二句是由when引导的时间状语从句,在时间状语从句中只能用一般现在时表示的是一般将来时。

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22. Michael ______ here to see you and he ______ a note on your desk .

A. has come ;  has left  B. has been ; has left  C. has come ; left  D. has been ; left

答案是D项。此处的has been here表示"刚才到这儿来过",从字面上看这个表达方式是现在完成时,但实际上这个表达方式的内涵是该人已不在此处了。因此这个动作是发生在过去的事,那末该在你的书桌上留便条的动作也该用一般过去时

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21. -How long _______ each other before they ________ married ?     -For about a year .

A. have they known ; get      B. did they know ; were going to get

C. do they know ; are going to get   D. had they known ; got

答案是D项。根据句意分析,他们结婚已是过去的事,那末,他们互相了解大约一年的时间肯定发生在结婚前,发生在过去某一动作之前的动作,应该使用过去完成时。

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20. I really wonder ______ he has posted me many parcels _____ we worked together .

  A. how ; after   B. why ; when  C. when ; before  D. why ; since

答案是D项。英语中的连词since有这样的特性:终止其后从句中的延续性的谓语动词的动作。第二个空白处填入since之后,这个从句的意思是:自从我们不在一起工作起。此外,since还可使其后从句里的非延续性的谓语动词延续。例如:It is 15 years since he joined the Army . (他参军已经十五年了。)

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19. It is a rule in his family that ______ comes home earlier should cook the dinner for the family .

A. Anybody  B. who  C. who that   D. whoever

答案是D项。whoever有两个词义,(1)no matter who,在这种用法时引导一个让步状语从句,如:Whoever ( = No matter who ) it is , I do not want to see them . (无论他是谁,我都不想见。),又如:The business would be a success , whoever ( no matter who ) owned it . (这个企业准能兴旺发达,甭管谁是它的主人。);(2)anybody / that,在这种用法时,它连接一个名词性从句,在本题中它连的是主语从句,又如:I will take whoever ( anybody that ) wants to go to that beautiful park . (我要带任何想去那个美丽公园的人去那里。)在这一例句中whoever连接的是一个宾语从句。

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18. The duties of a policeman are _____ than ____ .

A. dangerouser ; a teacher         B. more dangerous ; a teacher

C. greater danger ; those of a teacher     D. more dangerous ; those of a teacher

答案是D项。英语中由构词法派生出的形容词或副词比较级与最高级一律前面加more各the most构成。dangerous是由danger派生出的形容词,因此其比较级是more dangerous ; 在比较句中,一定要使比较的东西是一致的。为了避免重复,需比较的对象如果是单数,应该使用that of…代替,如果需比较的对象是复数,则用those of …,请看以下两个例句,并理解上述说法:The climate in Florida is as mild as in California . (佛罗里达州的气候与加州的气候一样暖和。) Classes in universities are more difficult than those in colleges . (大学本科的课程比大学专科的课程更难。)

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