Unit 12 Dont eat in class.你知道吗？ Are there any rules in your school?What are they? .根据句意，用 can 和 cant 填空 1.Mr Green smoke here,because theres a sign on the wall.It says!No smoking.” 2.Its very hot outside.You wear a hat. 3.We eat in the classroom,because its impolite to teachers. 4.I go to bed after 11:00 on school night. 5.The students read books and magazines in the library.用 have to 或 has to 填空 1.We clean our classroom after school. 2.She make her bed after getting up. 3.Its late.Mr Beckman go to work by car. 4.Emily and Peter join a music club.They practice guitar every day.看图完成对话 A:Do you have a library at school? B:Yes,we do.And we have for school library. A:What are they? B:We have to keep quiet in the .We have put our umbrella the library.We cant , or listen to the music in it.附参考答案：.略 .1.cant 2.can 3.cant 4.cant 5.can .1.have to 2.has to 3.has to 4.have to .rules,library,outside,talk,eat