—Miss Li must we hand in our homework right now?—No you .You can hand it in tomorrow.A.

问题补充：

—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

答案：

A. don’t

B. mustn’t

(答案→)C. needn’t

D. may not

解析：考查情态动词的用法，must引起的一般疑问句，否定回答要用needn’t。