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It’scoldintheroom.Youmusthaveturnedoffthesteam,

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问题详情:

It’scoldintheroom.Youmusthaveturnedoffthesteam,

It’s cold in the room.You must have turned off the steam,_____ you?

A.don’t                  B.didn’t                 C.haven’t                  D.mustn’t

【回答】

B

知识点:疑问句 反义疑问句

题型:选择题

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