1. 根据句意及首字母提示填写单词。

1. （1） We can clearly see fish swimming at the b of the river.

3. （2） The girl seldom goes outside because of an u scar(伤疤) on her face.

5. （3） We should use cloth bags instead of paper or p bags.

7. （4） The villagers used to burn c to get warm.

9. （5） Don't l waste things everywhere.