请阅读下列材料，并按要求作答。
The traffic lights are the same in every country. There are always three lights：red，yellow and green. Red means “Stop”，yellow means “Wait”，and gree-n means “Go”. In China，drivers drive on the right side of the road. In the US，drivers drive on the right side，too. In England and Australia，however，
drivers drive on the left side of the road. If you go by car，by bike or on foot，you must know the traffic rules.