◎ 题干
— It's the classroom! So you ______ know smoking is not allowed here. 
— Oh, sorry.
[     ]
A. need
B. will
C. may
D. must
◎ 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“— It's the classroom! So you ______ know smoking is not allowed here.— Oh, sorry. [ ]A. need B. willC. may D. must …”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。