— Must I take my own sleeping bag for the camp?— You .We have prepared one for each of you

问题补充：

— Must I take my own sleeping bag for the camp?

— You .We have prepared one for each of you.

A. mustn’t

B. can’t

C. may not

D. don’t have to

答案：

A. mustn’t

B. can’t

C. may not

(答案→)D. don’t have to

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