◎ 题干
You _____ be tired-you've only been working for an hour.

[     ]

A. must not
B. won't
C. can't
D. may not
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“You _____ be tired-you've only been working for an hour. [ ]A. must not B. won't C. can't D. may not …”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。