1. --- Tom graduated from college at a very young age.
--- Oh, he ______ have been a very smart boy then. (NMET 2004 IV)

A. could B. should C. might D. must

2. "The interest ______ be divided into five parts, according to the agreement made by both sides," declared the judge. (NMET 2004重庆)
A. may B. should C. must D. shall

3. --- I'll tell Mary about her new job tomorrow.
--- You ______ her last week. (NMET 2004 福建)
A. ought to tell B. would have told C. must tell D. should have told

4. --- Excuse me, is this the right way to the Summer Palace?
--- Sorry, I am not sure. But it ______ be. (NMET 2004湖北)
A. might B. will C. must D. can

5. I ______ pay Tracy a visit, but I am not sure whether I will have time this Sunday. (NMET 2004 浙江)
A. should B. might C. would D. could

6. --- I don't mind telling you what I know.
--- You ______. I'm not asking you for it. (NMET 2004江苏)
A. mustn't B. may not C. can't D. needn't

7. I often see lights in that empty house. Do you think I ______ report it to the police? (NMET 2004 III)
A. should B. may C. will D. can

8. Mr White____at 8:30 for the meeting, but he didn't show up. (NMET 2004 III)
A. should have arrived B. should arrive C. should have had arrived D. should be arriving

9. --- Isn't that Ann's husband over there?
--- No, it ______ be him---I'm sure he doesn't wear glasses. (NMET 2004 I)
A. can't B. must not C. won't D. may not

10. You _____be tired --- you've only been working for an hour. (NMET 2004 II)
A. must not B. won't C. can't D. may not

11. Children under 12 years of age in that country _____ be under adult supervision when in a public library. (NMET 2004上海)
A. must B. may C. can D. need

12. --- Who is the girl standing over there?
--- Well, if you ______ know, her name is Mabel. (NMET 2004天津)
A. may B. can C. must D. shall

13. --- Excuse me, but I want to use your computer to type a report.
--- You _____have my computer if you don't take care of it.(NMET 2004湖南)
A. shan't B. might not C. needn't D. shouldn't

14. You might just as well tell the manufacturer that male customers _____ not like the design of the furniture. (2004上海 春)
A. must B. shall C. may D. need

15. --- Mum, I've been studying English since 8'clock. ______ I go out and play with Tom for a while
--- No, I'm afraid not. Besides, it's raining outside now. (NMET 2004辽宁)
A. Can't B. Wouldn't C. May not D. Won't

Key:

1. D. must在此表示非常肯定的推测。

2. D. shall用在此表示按法律、条约、规章等必须履行的义务。

3. D. should have done表示“过去该做的事情而没有做”。这是对对方的一种责备。

4. A. 表示可能性时，选项might表示把握很小的可能；will表示根据平常情况的推测；must表示有很大把握的推测；can表示理论上的可能。根据前面一句I am not sure可知，答案选A。

5. A. 根据语境，表示“我”应该去拜访Tracy。

6. D. 从下文I’m not asking you for it可知：你没有必要告诉我。

7. A。should 意为“应该”。may, can表示许可或可能;will 表示意愿。由Do you think...可知说话者在 征求别人的意见，即他是否应该把那件事报告给警察。很明显，B、C、D都不合题意。

8. A. 从didn't可知此题指的是过去，故答案选A。should do表示现在或将来应该怎么样。

9. A. can't 表示不可能，故选A。must not表示禁止；won't表示不愿或不会；may not表示可能不。

10. C.

11. A. 这是一种要求或命令，must正合题意。

12. C. 答语的意思是：“如果你一定要知道的话，（我就告诉你吧）她叫Mabel。” 故答案选C。

13. A. 在否定的陈述句中， shall用于二、三人称表示说话人的意愿。

14. C. 由语境“你最好告诉那个制造商，男性顾客可能不喜欢那种款式的家具”可知，此处应用may not在此表示推测，意为“可能不”。

15. A.