通读短文，掌握其大意，然后在四个选项中，选出一个最佳答案．

　Every year some people 　1 　or injured (受伤) in road accidents (事故). There are rules (规章) to 　2 　the roads safe, but 　3 　people do not always obey (遵守) the rules. They are 　4 　. If everybody obeys the rules, the roads will be 　5 　. How can we make the roads safe?

　　　Remember this rule: Traffic (交通) must keep to the right, cars and buses and bikes must all keep to the right side of the road.

　Before 　6 　the road, stop and look 　7　 . Then, if you are sure that 　8 　is clear, it is safe to cross the road. If you see small children, or very old people, or blind people, waiting to cross the road, it is 　9 　to help them to cross the road in safety.

　　　We must teach young children to cross the road safely. We must tell them 　10 　in the street. We must always give them a good example.