A.Which dormitory will be open.B.Where students will eat.C.Whether any forms need to b

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A.Which dormitory will be open.

B.Where students will eat.

C.Whether any forms need to be filled out.

D.Whether the computer center will be open.

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗