◎ 题干
-_____ I swim in that river?
-No, you _____. It's dangerous to swim in it.
[     ]
A. Must; can't
B. Can; may
C. Must; needn't
D. May; mustn't
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“-_____ I swim in that river? -No, you _____. It's dangerous to swim in it. [ ]A. Must; can't B. Can; may C. Must; needn'tD. May; mustn'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。