8. You _______ to be more careful if you want to get good marks.

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

7. “ Must he do it ? “　 “ No, he _______. “

　　　　 A. must　　 B. needn’t　 C. doesn’t have to　　 D. Both B and C

6.　 _____ you tell me whom he is ?

　　 　　A. could　　 B. May　　 C. Might　　　 D. Must

4.　 “Do I have to get back before 10:00 ? “

　　　　 “ No, you _______. “

　　　　 A. needn’t　　 B. may no　　 C. can’t　　 D. must

(　 )5　 Oh, dear! How _______ this happen?

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

3. I have told him many times, but he ________ listen to my advice.

　　　　 A. won’t　 B. shan’t　　 C. couldn’t　　 D. mustn’t

2.　 You must be a teacher, ______?

　　　　 A. are you　　 B. must you　　 C. mustn’t you　 D. aren’t you

1. “ Who ______ it be that hid behind the door ? “ the old lady wondered.

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

10.　　 －Is the man Professor Li ?

－No, he ________ be Professor Li.　 I know that Professor Li has gone to Beijing.

9.　　　　 _______ the girl go out alone on a rainy night ?

8.　　　　 You _________ not hurry.　 There is enough time to go.