10.John is a naughty boy.He must have drawn a dog on the desk 　　.

A.with purpose 　　　　　B.by chance

C.on purpose　 　　　　　　D.by mistake

解析：句意：John是个淘气的孩子，肯定是他故意在桌子上画了一只小狗。on purpose故意地，符合语境。

答案：C

9.Mrs.Noland，who was born in a poor family，　　a lot of suffering when she was still a child.

A.went along with　　　　 　B.went back on

C.went through 　　　　　　D.went into

解析：go through意为“经历”，表示“她受了不少罪”。go along with一起去，赞同，附和；go back on背弃；go into进入，加入，探究，变得。

答案：C

8.(2008·全国卷Ⅰ)-Would you like to join me for a quick lunch before class？

-　　，but I promised Nancy to go out with her.

A.I'd like to 　　　　　B.I like it

C.I don't 　　　　　　　D.I will

解析：考查交际用语。该处I'd like to＝I'd like to join you，省略到动词不定式to，但保留to。回答“Would you like to do sth.？”结构不可以用其他三项。

答案：A

7.(2008·重庆高考)It was not until midnight　　they reached the camp site.

A.that 　　　　　　　　　B.when

C.while 　　　　　　　　D.as

解析：句意：他们直到半夜才到达宿营地。本句考查强调结构，可以还原为：They didn't reach the camp site until midnight.强调句的结构为：it is/was+被强调成分+that+其他成分。

答案：A

6.(2010·黄冈期中)Some research workers completely 　　 all those facts as though they never existed.

A.refuse　 　　　　　　B.ignore

C.miss 　　　　　　　　D.leave

解析：refuse拒绝；ignore忽视；miss错过；leave离开。由句意可知B项正确。

答案：B

5.-What were you so 　　？

-My son's not passing the college entrance examination 　　 me most.

A.upset；upset about　 　　　　　B.upset about；upset

C.upset for；upset　 　　　　　　D.upset；upset

解析：第一空应该用形容词，即be upset about/over/at...，意为“对……感到难过的”，其宾语为疑问词what；第二个空upset用作动词，意为“使难过”。

答案：B

4.Yesterday we wrote him a letter 　　 his family affairs.

cern　　　　　　 　cerned

cerning 　　　　　　D.to concern

解析：句意：昨天我们就他的家庭事务给他写了一封信。concerning＝about是介词，意思是“关于，有关”。

答案：C

3.(2009·上海普陀区模拟)Don't waste lots of time looking for the answer to one question.Leave it and come back to it later 　　.

A.if it necessary 　　　　　　　　　B.if you are necessary

C.if is necessary 　　　　　　　　　D.if necessary

解析：考查省略句。D项补全后应为if it is necessary。

答案：D

2.(2010·苏州模拟)Having decided to rent a flat，we 　　 contacting all the accommodation agencies in the city.

A.set about 　　　　　　　　B.set down

C.set out　 　　　　　　　　　D.set up

解析：set about开始做，后加动词­ing形式；set down记下，写下；set out开始做，后加to do；set up建立，竖立。

答案：A

1.The woods and the newly­dug river through the campus 　　 the beauty of this world­known university.

A.add up　　　　　　　　　　　 B.add to

C.are added up 　　　　　　　　　D .are added to

解析：考查add的短语搭配。句意：小树林以及在校园中新开挖的小河给这所知名大学又增添了美丽景色。add to增添，增加，符合题意。add up合计。

答案：B