阅读下面的短文，并根据短文内容和插图提示，在短文空格处填入适当的单词，每个空只能填写一个形式正确、意义相符的单词。

  Traffic rules are made（制订）to keep order of the road．Every year thousands of people died or got hurt on the road in China. Please remember: Keep to the（71）__________ on the road．

  There are rules to make the roads（72）__________, but people don’t always obey the rules. They are（73）__________. If everybody obeys the rules, the roads will be （74）_________ safer．

  If you like（75）__________ a bike，don’t ride in the middle of the road．When you ride a bike with a friend, don’t（76）__________ around to talk．

  If you drive，you should slow down at the traffic lights．You must always（77）__________

a seat belt（安全带）．

  If you walk across the road, stop to look both ways．Look left first, then right．Don’t run

（78）__________ the roads．If the road is clear，it is safe to cross the road．We must tell children（79）__________ to play on the street．

  It is very necessary（80）__________ everyone to obey the traffic rules．