— You can't finish the work in less than an hour, I suppose？ — __________.A、No, ha

A.can you

B.you can

C.can’t you

D.you can’t

A.do I

B.can you

C.can't you

D.won't you

A.mustn’t

B.needn’t

C.can’t

A.don’t have to

B.mustn’t

C.can’t

D.may not

A.needn't , may

B.mustn't , may

C.can't , can

D.needn't , must

A.do i

B.can you

C.can’t you

D.won’t you

A. mustn’ t…must

B. needn’ t…must

C. can’ t…can

D. can’ t…must

— Mom, must I finish my homework now？

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

A、needn't

B、can't

C、mustn't

A.may not

B.mustn’t

C.can’t

D.needn’t

A.Must, can’t

B.Must, needn’t

C.May, needn’t

D.Can, mustn’t

A: Must we finish the work right now？

B: No, you _______. You can do it tomorrow.

A.needn't

B.shouldn't

C.mustn't

D.can't