10.Don’t play sports in the classrooms.
9.Don’t sleep in class.
8.Don’t watch TV on school nights.
7.Don’t talk in class
6.Don’t play cards in school
5.Don’t smoke .It’s bad for your health.
4.Don’t run in the hallways
3.Don’t listen to music in the classroom.
2.Don’t fight =
1. in class 在课上 2. on school nights 在上学的晚上 3. school rules 校规 4. no talking 禁止交谈 5. listen to music 听音乐 6. have to 不得不 7. take my dog for a walk 带狗去散步 8. eat outside 在外面吃饭9. in the hallway 在走廊上 10. wear a uniform 穿制服 11. arrive late for class 上学迟到 12. after school 放学后 17. be in bed 在床上 13. practice the guitar 练习弹吉它 14. in the cafeteria 在自助食堂里15. meet my friends 和我朋友见面 16. by ten o'clock.十点之前 18. the Children's Palace 少年宫 19. help my mom make dinner 帮助我妈做饭 二.重点句型 1.Don’t arrive late for school=Don’t be late for school