问题 选择题

The classroom is so dirty that it needs________ badly.

A.clean

B.to clean

C.being cleaned

D.cleaning

答案

答案:D

考察非谓语动词.句意:教室太脏了,很需要打扫一下.动名词表示抽象动作,一般不用被动语态.故选D.

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