◎ 题干
—Look, Mr. King is swimming in the pool.
—It ________ be Mr. King. He has gone to Kunming on vacation.

[     ]

A. can
B. can't
C. must
D. mustn'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“—Look, Mr. King is swimming in the pool. —It ________ be Mr. King. He has gone to Kunming on vacation.[ ]A. can B. can't C. must D. mustn'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。