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.
1._____  2._____  3._____  4._____  5._____  6._____  7._____

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