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

II. 用适当的情态动词填空：

1. There is 20 minutes left. We _______ (not) have to be in such a hurry.

2. Where is my watch? I really can't find it. Where _____ it be?

3. The doctor told the old man that he ______ avoid eating fat.

4. It's too late. I think he ______ go to bed.

5. ______ you mind my troubling you with a few questions?

(Keys: 1. needn't 2. can 3. should 4. must 5. Would )

(Keys: 1. A 2. A 3. C 4. C 5. C 6. B 7. A 8. D 9. A 10. B 11. D 12. C 13. B 14. B 15. D )