◎ 题干
— Listen! Is Tom singing in the classroom? 
— No. It            be Tom. He has gone to Paris.
[     ]
A. may not
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“— Listen! Is Tom singing in the classroom?— No. It be Tom. He has gone to Paris. [ ]A. may notB. 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。