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英语 初中 · 七年级 外研版 · 七年级下册 单选题 ★★★☆☆ 编号 #10254
You ___ play with fire. It is very dangerous.
A. couldn't
B. mustn't
C. needn't
D. may not
章节：情态动词 · 知识点：情态动词 · 标签：情态动词,语法
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