It’s rather cold in the room.They ______ have turned off the steam a few hours ago.A.should B.

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It’srathercoldintheroom.They______haveturnedoffthesteamafewhoursago.A.shouldB.It’srathercoldintheroo

It’s rather cold in the room.They ______ have turned off the steam a few hours ago.A.should B.
It’s rather cold in the room.They ______ have turned off the steam a few hours ago.A.should B.

It’s rather cold in the room.They ______ have turned off the steam a few hours ago.A.should B.
A
屋里挺冷的.他们应该是几个小时前就把暖气关了