◎ 题干
Mr Wang often says to her child, "You _______ play with fire (火). It's dangerous.

 [     ]

A. mustn't
B. had better
C. needn'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“Mr Wang often says to her child, "You _______ play with fire (火). It's dangerous. [ ]A. mustn't B. had better C. needn'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。