六年级英语阅读,首字母已给!
TherearemanybusystreetsinShanghai.Duringtheholidaysthestreetsarefullofpeople.B(),carsandtramsm()slowlyalongthestreets.Peoplecan'twalkquickly.Whenthereisaredman,theyw()onthepavement.O()cars,busesandtramscango.Whenthereisagreenman,theycrosstheroad.Peoplec()parktheircarsinthestreet.Whenpeoplecrosstheroad,theyalwaysloodleftthenright.Theycan'tplayinthestreet.