Traffic rules(规则) help to keep people1. The pedestrian(行人) has as many rules to 2as the driver of a car. You should walk on the sidewalk(人行道). Always be careful3 you walk across the road. If you like riding a bike, don't ride in the middle of the road or run 4 red traffic lights. When you ride a bike with a friend, don't look around. If you drive a car, you should 5 at the traffic lights. You must always 6a seat belt(安全带). Without belts, both the driver and the passengers may be7. 8if you take a bus. Get on or get off a bus only when it comes to a 9 when it is full, don't try to get inside10 you may fall.