I go to school by bus . Sometimes, I go to school on foot .I must cross three roads . I must pay attention to the traffic tights. If the traffic light is red. I must stop. If the traffic light is yellow. I can wait. If the light is green. I wark a ross the road. Are you?
我坐公共汽车上学。有时，我步行上学。我必须过三条路。我必须注意交通紧身衣。如果红绿灯。我必须停下来。如果红绿灯是黄色的。我可以等。如果灯是绿色的。我在马路上兜圈子。你是吗？