改成陈述 You can't listen to music in the classrooms ro hallways
You can't eat in the classrooms
You can't wear a hat
You can listen to music outside
改为祈使 Don't .fight
listen to music in the music room
.eat in the dining hall
eat outside
改成陈述 You can't listen to music in the classrooms ro hallways
You can't eat in the classrooms
You can't wear a hat
You can listen to music outside
改为祈使 Don't .fight
listen to music in the music room
.eat in the dining hall
eat outside