12. -------Is John coming by train?

　 -------He should, but he _____not. He likes driving his car.

　 A. must　　 B. can　　　 C. need　　 D. may　

11. -------I don’t mind telling you about I know.

　 -------You _____. I am not asking you for it.

　 A. mustn’t　　　 B. may not　　　 C. can’t　　　 D. needn’t　

10. The World Wide Web is sometimes jokingly called the World Wait . because it _______be very slow.

　 A. should　　　 B. must　　　 C. will　　　 D. can　

9. There _____be any difficulties about passing the road test since you

have practiced a lot in the driving school.

　 A. mustn’t　　 B. shan’t　　　 C. shouldn’t　　 D. needn’t　

8. John, look at the time. _____you play the piano at such a late hour?

　 A. must　　　　 B. can　　　 C. may　　　　 D. need　

7. --------the woman biologist stayed in Africa studying wild animals for 13 years before he returned.

　 ---------Oh dear! She ________ a lot of difficulties.!

　 A. may go through　　　　　　　 B. might go through　

　 C. ought to have gone through　　 D. must have gone through

6. -------Do you know where David is? I could not find him anywhere.

　 -------Well. He ______have gone far, his coat’s still here.

　 　A. shouldn’t　　　 B. mustn’t　　　 C. can’t　　　 D. wouldn’t

5. I thought you _______like something to read, so I have brought you some books.

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

4. Why didn’t you tell me there was no meeting today?　 I _____have

driven all the way here through the heavy snow.

　 A. needn’t　　 B. can’t　　　 C. mustn’t　　 D. shouldn’t

3. ------_______ I go back before lunch?

　 ------No, I don’t think you ________

　 A. need; must　 B. do; need to　

C. must; have to　 D. may; ought to