The room . It’s a real mess.A. must be cleaned upB. must cleaned upC. must clean up

发布时间：2020-08-22 15:02:20

The room     . It’s a real mess.
A. must be cleaned up
B. must cleaned up
C. must clean up

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解析：句意：这个房间必须打扫了。它真的很乱。结合语境可知句子主语是动作对象，故用被动语态。选A。
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