24.C。C项是was to have joined us in our discussion 的省略形式。was／were ＋ to have done表示原来计划、安排要做的事，而实际上并没有做。 25.B。当时他在听收音机。
26.D。表示按时刻表或日程安排要发生的事,应用一般现在时。
27.D。从句用的是一般现在时，故主句要用将来时。将来进行时表示在将来某一时刻或某段时间内正在进行的动作。
28.A。Look at this!说明东西已找到。紧接着说是怎样找到的。
29.C。根据答语，问句中的meet是过去发生的动作，可排除A、D。但不能选B，因为没有构成“过去的过去”。答语中用过去完成时的被动语态表示在我到达（过去动作）之前他已被人用车接走。
30.D。“没听”发生在对方（过去）问问题时，故用过去进行时。
31.A。此题选A表示现在的特征或状态。prefer属表示心理状态的动词，不能用于进时。
32.B。表示在过去某一动作之前一直在进行，并有可能继续下去的动作，要用过去完成进行时。
33.A。cook发生在didn’ t taste very good 之前，且与主语之间有被动关系，故用过去完成时的被动语态。
34.A。read 发生在the first time we met之时, 故用过去进行时。
35.B。动词wash, lock, sell, wear, write read, open, shut, clean等动词的主语是物，且又表示主语的特征或状态时，要用主动形式表示被动意义。
36.C。play 在came in 之前已完成，而do some reading 的动作则即将开始。 37.C。will／shall ＋v.表示临时的决定，而be going to 表示已决定或安排要做的事。 38.B。would ／ should like ＋ to have done表示过去未曾实现的愿望，故“未受邀请”应用一般过去时的被动语态。
9
39.B。by 后跟将来的时间状语时，主句要用将来完成时。go without 意为“在缺……的情况下对付”。
40.D。all but one 主语是all，且all在此指人，故谓语动词用复数；take place 属不及物动词短语，无被动语态；be about to后面不能跟具体的时间状语。
41.C。由对话情景可知，“周游世界”是现在正在进行的动作，而“实现”是到说话时为止已完成的动作；come true不能用于被动语态。
42.A。询问到说话时为止一段时间内某动作是否发生，要用现在完成时。
43.D。hear 发生在talked这一过去动作之前；never是含有否定意义的副词，放在句首时，句子应用倒装语序。
44.B。be用于进行时可表示一个暂时的特点或表现。What they are up to相当于What they are doing。
45.D。根据目前迹象判断将要发生的动作用be going to；if only 意为“但愿”，其后的句子用虚拟语气。
46.A。由these three years可知应选现在完成进行时，表示“写”从过去一直延续至今，并有可能继续下去；“写了40 篇”用现在完成时，表示到现在为止已完成的动作。 47.D。no sooner...than和hardly(scarcely)...when 均表示“一……就……”，且主句用过去完成时，从句用一般过去时。 48.C。宾语从句表示的是客观事实。
49.C。dream是从过去某时开始一延续到are woken up...and asked to report...这一现在动作之前的动作，故用现在完成进行时。
50.A。由What’ s the matter 和don’ t fit 可知，hurt是现在正在进行的动作。
动词语态（练习题）
1. I___________ (teach) here for ten years since I finished school.
10
2. Would you mind me __________ (use) your bike?
3. The students of Class Two___________ (sweep) their classroom now. 4. The Whites____________ (not listen) to the radio at that time. 5. It's better to give than__________ (receive). 6. How long ______you_______ (live) in this town? 7. You _______ (come) here last year, ______ you? 8. ----When ______ you______ (see) him? ----I______ (see) him last Sunday.
9. She said that the car___________ (use) the next week.
10. I didn't know what __________ (happen) to China in a century. 11. When I got to the station, the train ____ already ______ (leave). 12. The stone bridge______________ (build) in our hometown for ten years. 13. The desk must ______ (clean) once a day.
14. The dog _________ (lie) on the floor when I came in. 15. It _________(rain) heavily when I got home.
16. Her mother____________ (cook) at this time yesterday.
17. The students _____________ (do) their homework. __________ (not make) any noise! 18. ----______ you ever_______ (be) to Beijing? ----Yes. I________ (go) there last week. 19. He'll telephone us as soon as he _________ (arrive) there.
11
20. Jiefang trucks____________ (make) in Changchun. 21. A pen is used for__________ (write). 22. All that must ________ (do).
23 .My friend can't decide which pair of trousers____________ (choose). So she asked me to go shopping with her.
24. They find it useful__________ (learn) English.
25. The old man often_________ (tell) the children a story in the evening. This evening he ________ (tell) two stories. 答案
1. have taught 2. using 3. are sweeping 4. weren’t listening 5. to receive 6. have … lived 7. came … didn’t 8. did … see, saw 9. would be used 10. would happen 11. had … left
12