阅读下面的短文，根据上下文意思及所给首字母写出所缺单词。

     E   1    year thousands of people get hurt or die in road accidents. H   2    can we make the roads safer?

First, we must obey the traffic rules. If e   3    obeys the rules, the roads will be much safer. In our country,

traffic keeps on the right side of the road. S   4   , we must stop and look both ways before crossing the road.

Look left, look right, and then look left a   5    . Then, if we are s   6    that the road is clear, we can cross the

road. Third, it is good to h   7    children, old people or blind people cross the road. Last, we must never play

in the street.

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