The room must _____ up right now. It’s too dirty.A．be cl Wap版

试题详情及答案解析

The room must _____ up right now. It’s too dirty.

A．be cleaned	B．be cleaning
C．clean	D．cleaned

答案：A

试题分析：句意：这间房子必须马上被打扫。它太脏了。must是情态动词，故后面接动词原形，结合句意主语the room与谓语clean之间是被动关系，故用被动语态，故选A。
考点：考查被动语态。