◎ 题干
— There’s somebody at the door. Who ______ it be? Is it the postman ?
—No, it ______ be him. It’s just seven o’clock. It’s too early.
A.may, can’tB.will, won’tC.may, mustn’t 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 the postman ?—No, it ______ be him. It’s just seven o’clock. It’s too early.A.may, can’tB.will…”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。