--------- Must we finish our homework today?

         --------- No, you _______________. You _______ finish it the day after tomorrow.

A. needn’t; must                B. mustn’t; can           C. needn’t ; can           D. mustn’t; can

Must we find out the reason today? - No, you _____.

A. mustn't          B. don't have     C. don't have to D. needn't to

句型转换。（10分）
【小题1】Must we drink eight cups of water every day?（作否定回答）
No，_______ _______ _______ _______.
【小题2】You’d better ask our computer teacher for help. （改为否定句）
You’d better _______ _______ our computer teacher for help.
【小题3】 I play basketball twice a week. （对画线部分提问）
_______ _______ do you play basketball？
【小题4】 You mustn’t smoke here. (同义句转换)
_______ ______ here!

— Must we wear our school uniform this afternoon?

— No, you. All of us will go on an outing.

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

— Must we clean the classroom now?

— No, you needn't. It        after school.

A. may clean      B. must clean    C. need be cleaned   D. can be cleaned