根据汉语提示，完成下列句子。

1. 她很有耐性，适合教书。

    She is very patient and she is _____.

2. 这条河不像过去那样干净了。

    The river _____ as it _____ .

3. 他的腿断了，几乎不能移动。

    His leg is broken and he can _____.

4. 你同意我说的话吗？

    Do you _____?

5. 离开房间时不要忘记关灯。

    Don't forget _____ when you leave the room.

6. 回收书和纸很容易，而且对保护环境很重要。

    _____ is easy, and it is very important for protecting the environment.