◎ 题干
— Listen! Is Rose singing in the next room?
— No. It ______ be Rose. She has gone to Shanghai.

[     ]

A. may not
B. can't
C mustn't
D. needn'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“— Listen! Is Rose singing in the next room? — No. It ______ be Rose. She has gone to Shanghai. [ ]A. may not B. can't C mustn't D. needn'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。