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被动语态语序Studentsshouldnotspeakchineseinenglishclass.Wemustkeepoffallmobilephoneduringtheconnect.改成被动语态.

题目详情
被动语态语序
Students should not speak chinese in english class .We must keep off all mobile phone during the connect .改成被动语态.
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答案和解析
chinese should not be spoken in english class(by students).all mobile phones must be kept off during the connect (by us).