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it has been decided that all the students______stay in the classroom ever on saturday evenings in case they go to internet bars
A.MUST B.CAN C.NEED D.SHALL
选哪个?为什么?
我迷糊了
人气:412 ℃ 时间:2020-05-27 06:43:58
解答
A 必须 是规定
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