题目内容
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.
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.
1. must 2. can't 3. can 4. mustn't 5. must
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