--MustIreturnthebooktomorrowmorning?--No,you________.You________keepit

发布时间：2020-08-05 02:30:22

--Must I return the book tomorrow morning?--No, you ________. You ________ keep it for three days.A.mustn't; mayB.mustn't; mustC.needn't; canD.needn't; must

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C解析must的否定回答用needn't表示。
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