1. 用方框中所给单词或短语的适当形式填空

prevent    recycle    pollute    take turns    energy

1. （1） The old man's children looking after him every day.
3. （2） — The mother her son from stealing money from others and sent him into prison.

   — How great she is!

5. （3） Batteries the soil.
7. （4） — Man, animals and plants can get from the sun to live.

   — So sunlight is very important to all living things

9. （5） Some things can ben , so, we shouldn't throw them away..