英语题.急求!希望能解释详细.It was very kind of you to do the washing-up,

英语题.急求!希望能解释详细.
It was very kind of you to do the washing-up, but you ___ it.
A.mustn't have done B.wouldn't have done
C.mightn't have done D.didn't have done
局部真理 1年前 已收到1个回答 举报

於七 幼苗

共回答了15个问题采纳率:93.3% 举报

A好像不太对吧?mustn't表示禁止
我觉得像是C “本可以不必做”

1年前

8
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