简述颊部洞穿性缺损的处理原则。

用injury, harm, hurt和wound的正确形式填空

1. Two football players were out of the team because of          .

2. It was a severe  _____to her pride.

3. The poor dog was licking(舔, 舐)its           .

4. The waste and poison may do great         to the things around us.