◎ 题干
—Must I clean the room now?
—No, you ______. You can do it tomorrow.         
[     ]
A. mustn't          
B. needn't            
C. can't
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Must I clean the room now?—No, you ______. You can do it tomorrow.[ ]A. mustn't B. needn'tC. can't…”主要考查了你对  【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。