◎ 题干
—Shall we go swimming this afternoon?
—Sorry, I ________. I have lots of homework to do.

[     ]

A. mustn't
B. needn't
C. may not
D. can't
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—Shall we go swimming this afternoon?—Sorry, I ________. I have lots of homework to do. [ ]A. mustn't B. needn't C. may not D. 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。