题目内容
【题目】You________supposed to take them out of the room.
A.didn’t
B.aren’t
C.don’t
D.can’t
【答案】B
【解析】be supposed to的否定式是在be后加not。
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题目内容
【题目】You________supposed to take them out of the room.
A.didn’t
B.aren’t
C.don’t
D.can’t
【答案】B
【解析】be supposed to的否定式是在be后加not。