题目内容

I'm afraid I can't help ________ the room because I have a lot of work waiting for me.

[  ]

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

答案:A
解析:

can't help (to) do意为"不能帮忙做某事"can't help doing意为"禁不住做某事"。根据because引导的原因状语判断应选A


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