◎ 题干
—Whose exam paper is it?
—It             be Li Lei's. He always forgets to write his name on it .
[     ]
A. can't
B. must
C. shouldn't
D. may
◎ 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“—Whose exam paper is it? —It be Li Lei's. He always forgets to write his name on it . [ ]A. can't B. must C. shouldn't D. may …”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。