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-Catherine, I have cleaned the room for you. -Thanks, you it. I could manage it

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-Catherine, I have cleaned the room for you. -Thanks, you it. I could manage it

—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

试题答案

B