It's very cold in the room.They ______ off air conditioner.

It's very cold in the room.They ______ off air conditioner.
A.should have turned
B.must have turned
C.should turn
D.must turn
答案是B,A错在哪里
英语人气:628 ℃时间:2020-01-26 09:33:43
优质解答
turn
房间里面很冷.他们关掉空调
我来回答
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