There is no light in the room.They asleep.A. should have gone toB. must beC. could goD. mi

发布时间：2020-08-17 12:05:09

There is no light in the room.They     asleep.
A. should have gone to
B. must be
C. could go
D. might be going

网友回答

A. should have gone to
(答案→)B. must be
C. could go
D. might be going
解析：must表示推测，意思是“一定，必定”。
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