◎ 题干
用must, mustn't, can, can't填空。
1. Don't open your present now! In China you _____  wait and open it later.
2. —Can I do cleaning at Spring Festival?
    —No, you_____  .  
    —It's bad luck.
3. In America you _____  open your present immediately.
You don't have to wait!
4. In Britain you _____  ride your bicycle on the pavement _____. It's too dangerous.
5. In Britain, you _____ be 18 if you want to drive a car.
◎ 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“用must, mustn't, can, can't填空。1. Don't open your present now! In China you _____ wait and open it later.2. —Can I do cleaning at Spring Festival? —No, …”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。