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.
希望親還沒睡!沒事，我也正在趕作業(yè)。嗯嗯，你讀幾年級？喝擬一樣啦和你嘿嘿，你作業(yè)做完了嗎，嗎沒那我就不打擾你了，我剛做完！*^_^*晚安好夢！