16. Tom__________ his bike and has to go to school on foot every day now.

A. lost　　　　　　 B. is losing　

C. had lost　　 　　D. has lost

答：D。一般过去时单纯指过去的情况，和现在没有联系。而现在完成时则强调对现在产生的结果或影响．若选A项，他过去把自行车丢了，现在有没有白行车不清楚。

15. - Come on in, Peter.　 I want to show you something.

-Oh, how n ce of you! I ____ you ____ to bring me a gift.

A. never think, are going

B.　 never thought, were going

C. didn’t think, were going

D. hadn’t thought, were going

答：D。I never thought ...意为“我从没想到……”，当主句用过去时，从句应用过去进行时。C项属于否定转移，意为：“我认为你不会……。”

14. The new secretary is supposed to report to the manager as soon as she___________.

A.　 will arrive　　　　 B. arrives

C. is going to arrive　　 D. is arriving

答：B。be supposed to do...应该做……。从句用一般现在时代替将来时。

13. Tom was disappointed that most of the guests _________ when he__________ at the par-ty.

A. left, had arrived　　　　 B.　 left, arrived

C.　 had left, had arrived　

D　 had left, arrived

答：D。when意为“当……时”，常表示当一个动作发生时，另一个动作正在进行或已经完成。

12. My brother ______ while he ______ his bicycle and hurt himself.

A. fell, was riding　 B. fell, were riding

C. had fallen, rode　 D. had fallen, was riding

答；A．fell这一瞬间动作，发生在was riding这一延续性的动作之中。如： Granny fell asleep while she was reading newspapers.

11. I________ten minutes to decide whether I should reject the offer.

A. gave　　　　　 B. was given

C. was giving　　 D. had given

答，B．“给我十分钟时间来考虑”应用被动语态。

10. That suit _________ over 60 dollars.

A. had costed　　 B. costed　

C. is costed　　　 D. cost

答：D。cost值……，为不及物动词，不能用被动语态，其过去式及过去分词和原形相同．

9. -Have you moved into the new house?

　 -Not yet, the rooms________.

A. are being painted 　　　B. are painting

C. are painted　　　　　 D. are being painting

答：A．题干中Not yet是信息句，说明没搬人新房子的原因是“房间正在粉刷”，应用被动语态。

8. They asked me to have a drink with them. I said that it was at least ten years since I _______ a good drink.

A. had enjoyed　　 B. was enjoying

C. enjoyed　　　　 D. had been enjoying

答：A。“it is+一段时间+since...”中从句用过去时。“it was+一段时间+since...”中从句用过去完成时。

7. -When__________ again?

　 -When he________, I’ll let you know.

A. he comes, comes

B. will he come, will come

C. he comes, will come　

D. will he come, comes

答：D。表“他什么时候再来”应用一般将来时，问句形式。第二个空，主句是将来时，从句用一般现在时来代替将来时。