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

She _______ be here . I saw her come in.

A. can  B. may  C. should  D. must

—May we leave the classroom now?

—No, you______. You shouldn't leave until the bell rings.

A.     may not B. can't C. needn't

_____ you wait a few more minutes? It'll be your turn soon.

A．Must B. Should C. Could D. Might

You     eat the soup if you don't like it.

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

—Miss Li, must we hand in our homework right now?

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

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

— Can you ride a horse?

— No. I____.

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

—Must we leave now?

—No, we _______.We still have two more hours.

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

一Bob，shall we go and meet our new classmate?

一Sorry．I'm busy now．But you_________ ask David to go with you．He is free．

A．need　 B．may　 C．would　 D．must

－Dad, may I watch TV?

－No, you can’t. You _______ finish your homework first.

A. must　　 B. can　　 C. may