PEP六年级上册四会单词 Unit 1:by (经……,乘……) foot(脚) bike(自行车) bus(公共汽车) train(火车) how(怎样) go to school(上学) traffic(交通) traffic light(交通灯) traffic rule(交通规则) stop(停;停车站) wait(等;等待) g。
1.Don't go at the red light.
2.Don't play in the street.
3.Go at green light.
4.You must drive sloe down.
5.You must look left before crossing the road.