题目内容

动词填空:

动词填空:

The water in the river needs ______ (clean)

答案:cleaning
提示:

动词need的复词,可用不定式也可用动名词并且意义上大致相同,但接动名词时,不用被动态,(被动的意思也要用主动态表现)

如:

This house needs painting

This house needs to be paint


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