根据句意和首字母提示完成单词。

1. He p_____ not to have heard about it.

2. Don't be s_____.The doctor will be here soon.

3. She had an a_____ yesterday, and she hurt herself.

4. If your mother is busy, you have to take good c_____ of your younger brother.

5. Why don't you listen to my w_____? Now you have had an accident