() 13. I can't go to the cinema with you because

I stay here until my mother comes back.

   A. can   B. could

   C. may   D. must

() 12. you wait a few more minutes?

It’ll be your turn soon.

   A. Could   B. Should

   C. Must   D. Might

() 11. [2015 • 濰坊]—I have been to the

A moon twice.

—You be joking!It's impossible!

   A. can   B. may

   C. must   D. need

() 10. 一Miss Liu,must I hand in my homework right now? 

—No,you . You can hand it in tomorrow.

   A. don't   B. mustn't

   C. needn’t   D. may not

() 9. [2015 • 杭州]Harry's been driving all day—he be tired.

   A. need   B. can

   C. shall   D. must

() 8. [2014 • 暴陽]—Excuse me. Can you tell me what time it is now?

一Sorry,I . My watch doesn’t work.

   A. can't   B. may not

   C. mustn't   D. needn’t

() 7. —Mr. Liu be on the play ground,I think.

—He be on it. I saw him in the office just now.

   A. may;may not   B. can; mustn't

   C. must; couldn’t   D. may; can't

() 6. —Whose schoolbag is this?

—It be Helen's. It has her name on it.

   A. can   B. may

   C. will   D. must

() 5. [2015 • 南京]—Mom,must I go shop- ping with you?

—No,you . You can watch the film Big Hero 6 with your friends.

   A. needn’t   B. can't

   C. shouldn’t   D. mustn't

() 4. —That must be Mr. Green.

—No,it be him!I saw him off at the airport half an hour ago.

   A. may not   B. mustn't

   C. can't   D. needn’t