写成should be allowed to do句形
问题描述：
写成should be allowed to do句形
1.I don't agree that you can get the ears pierced.
2.we don't think teengers can smoke.
3.They don't agree the train can run across the center of the city.
答
1 You should not be allowed to get your ears pierced.2 Teenagers should not be allowed to smoke.3 The train should not be allowed to run across the center of the city.