6.With the development of science and technology, people’s life _______ in the past few years.

　A. improved　　　 B. has improved

　C. is improving　 D. had improved

　选B。根据句子后面的时间状语in the past few years可以知道句子应该使用现在完成时。

5.We have moved into a four-room flat so far. Our room is between _____.

　A. Mary’s and Helen’s　 B. Mary and Helen’s

　C. Mary and Helen　　　　 D. Mary’s and Helen

　 选A。由句子的意思可以知道这里表示两人各自的房间。

4.---I wonder why Mr Green hasn’t showed up at the meeting yet.

　---I’m not sure, but he _______ in a traffic jam driving here.

　A. could be stuck　　　　 B. might stuck

　C. might have been stuck D. must have stuck

　选C。表示对过去已经发生事情的推测应该用情态动词的完成时形式，但might的可能性不大；结合上下文的意思可以知道应该用被动形式。

3. When I got to the cinema, the film _____ for five minutes.

A. had begun　　　 B. has been on　　　

C. has begun　　　 D. had been on

　选D。电影开始了五分钟，for five minutes为一段时间要求谓语动词要用延续性动词，故A和C先排除，而从句的动作发生在主句动作之后。

2. Mary had promised to give me a ticket for tomorrow. She failed, ____.

A. either　　 B. though　　 C. but　　 D. too

　选B。结合上下文意思我们可以知道本题表示转折关系，先排除A、D；而but为并列连词通常放在句首或句子中间起连接作用。故选B。

1.-He must be busy doing his homework right now.

　 -I imagine____.

　 A. that　　 B. to　　 C. so　　 D. it

　 选C。I imagine so=I think so,

20. Fei Junlong’s wife and his child ________ to see him off before the launch, but they failed because of the rules.

A. hope　 B. had hoped　 C. have hoped　 D. were hope

选B。had hoped表示“原希望……”，经常使用于该结构的还有: had thought/ wanted/planned/ supposed/intended等。

19. - Is this Mr. White’s office, Mary?

- Yes, _____.

A. that’s all right　　　　 B. it doesn’t matter

C. after you　　　　　　 　　D. please yourself

选C。 “after you!”“您先请！”根据语境，C正确。

18.Only _____ as an interpreter _____ how important it was to practise speaking English.

A. when did I work…I realized

B. when did I work…did I realize

C. when I work…did I realize

D. when I worked…did I realize

选D。主句倒装，从句不倒装。

17. Jack, ______ to be here at 8 o’clock.

A. is sure　　　　　　　 B. is sure that

C. will be sure　　　　　 D. be sure

选D。带有呼语的祈使句。