问题

Catherine, I have cleaned the room for you . — Thanks. You_______. I could manage it myself.

A:needn’t do
B:needn’t have done
C:mustn’t do
D:shouldn’t have done

正确答案是：

同类题型

joy, Della first earned the trust of herstudents and then _____ of her colleagues.

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It is what you do rather than what you say____matters.

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She doesn’t like the way ___ you speak to her.