3a 2.don't listen to music
3.don't eat
4.don't take a photo
3b does he have to eat in the dining hall?
yes,he does.
do we can listen to music in the hallways?
yes,we can't.
do we can wear a hat in the classroom?
yes,we can't.
希望亲还没睡!没事，我也正在赶作业。嗯嗯，你读几年级？喝拟一样啦和你嘿嘿，你作业做完了吗，吗没那我就不打扰你了，我刚做完！*^_^*晚安好梦！