◎ 题干
—There's somebody at the door. Who _____ it be? Is it a postman?
—No, It _____ be him. It's just seven o'clock. It's too early.

[     ]

A. may; can't
B. will; won't
C. may; must
D. must; may not
◎ 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“—There's somebody at the door. Who _____ it be? Is it a postman? —No, It _____ be him. It's just seven o'clock. It's too early. [ ]A. may; can'tB. …”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。