17.- Catherine, I have cleaned the room for you. - Thanks, but 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 查看更多

 

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 — Catherine, I have cleaned the room for you.

— Thanks, but 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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.— Catherine, I have cleaned the room for you.

— Thanks, but 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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