题目内容
（请给出正确答案）
[主观题]
It is very kind of you to do the washing-up, but you ______ it.A．mustn't have doneB．should
It is very kind of you to do the washing-up, but you ______ it.
A．mustn't have done
B．shouldn't have done
C．oughtn't to have done
D．didn't have to do
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