根据句意和所给词首字母提示，完成句中所缺的单词。

1. My parents have always taught me the i     of working. Working is the first.

2. Why is cold running water h           to treat a small burn?

3. Here are some earrings. The o           can't be a boy.

4. It's less of a problem to be poor than to be d      . Honest is very important for us.

5. This is a great show from a world---class photographer. W          you do, don't miss the exhibition.