【導(dǎo)讀】Unit4Don'teatinclass.orintheclassroom?Whatcan’tyoudo?playputergames.dohomeworkinclass.readabook.wearhatsinclass.ridebikesatschool.drawonthewall.class.class?inthehallways.hallways.fight.A:So,don’tfight.A:Canwefight?A:Don’tchatinclass.B:Wecan’tchatinclass.A:Canwechat(聊天)inclass?classrooms?dininghall.classrooms.classrooms?inthemusicroom.classrooms.1.Don’ttalk.Don’teat.music.photos.1.Bequite?yourschool.inthelibrary?Yes,shedoes.2.Eat?3.Listentomusic?No,wecan’t.4.Wearahat?No,wecan’t.____Johnhaveto…?CanJohn…?School!1.Wecaneatinclass.day.3.…B:Really?A:Wecan’t___________.Wehaveto_______.Canwewearahat?mustbeontime.Wecan’twearahat.Don’twearahat.Wecan’tfight.Canwefight?Wecan’tlitter.Canwelitter(亂丟垃圾)?Don’tlitter.Don’tfight.No.