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—Mum,mustIfinishmyhomeworkrightnow?—Oh,you

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—Mum,mustIfinishmyhomeworkrightnow?—Oh,you

— Mum, must I finish my homework right now?

— Oh, you _____ .

A. mustn’t;       B. needn’t        C. can’t          D. may not  

【回答】

B  

知识点:情态动词

题型:选择题