– Why does she look so tired?

– Why does she look so tired?
-- She ________ all the morning and she still hasn’t finished it.
A.cleaned B.was cleaning C.has been cleaning D.has cleaned
冰点西风 1年前 已收到1个回答 举报

liaolele 幼苗

共回答了22个问题采纳率:100% 举报

C

clean这个动作,之前就发生了,一直到现在还没完成,还在继续,因此用现在完成进行时态。

1年前

9
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