—Is this John’s T-shirt?

—It_______be his. It`s much too small for him.

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

—How was the youth club last night, Mark?

— It was great fun. You come.

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

—Mr Smith must have been to your home this morning．

—No, he ______, because he didn’t know my address．

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

The students ought to wear school uniforms when they’re at school.

A. are supposed to B. are allowed to C. would like to D. love to

—Will you stay for some more days?

—Sorry, I_____. My mother called to ask me to go back at once.

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

（2011枣庄）You________wear sports shoes when you climb a mountain．

A. can’t

B. shouldn’t

C. mustn’t

D. have to

– Must I get up early tomorrow morning?

– No, _________.

A. you mustn’t B. I don’t think you have to

C. you can’t D. you need

— Who’s singing in the next room?

— It ____ be her . She has gone to New York.

A. can’t B. must C. shouldn’t D. can

—Must I learn all these words by heart?

—No, you ______. It’ll be fine if you copy them in your exercise books.

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

— Mom, must I finish my homework now?

— No, you ______. You may have supper first.

A. mustn’t B. needn’t C. can’t