◎ 题干
If anyone wants to say something in class, you ______ put up your hands first.
[     ]
A. must
B. may
C. should
D. can
◎ 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“If anyone wants to say something in class, you ______ put up your hands first. [ ]A. mustB. mayC. shouldD. can …”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。