题目内容
—Catherine, I have cleaned the room for you.
—Thanks. You______it. I could manage it myself.
A.needn't do B.needn't have done
C.mustn't do D.shouldn't have done
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题目内容
—Catherine, I have cleaned the room for you.
—Thanks. You______it. I could manage it myself.
A.needn't do B.needn't have done
C.mustn't do D.shouldn't have done