题目内容：

在下列各句的空格内填上一个适当的完整的单词，该词的首字母已给出。

1.Her father tried to stop smoking , and finally he s      .

2.As for young parents, they should be p       with their kids.

3.Have you ever h       of the old saying “Every coin has two sides”?    

4.We won't get there on time u      we leave earlier.

5.U      , many people got hurt in the fire accident on the bus in Xiamen last week.