1. 选出适当的短语，完成各组对话。

A. make fires   B. make...beautiful    C. cutting down D. Look at    E. make paper

1. （1） — What can we do to help the Earth?

   — We should stop so many trees.

3. （2） — How do people use wood?

   — People use wood to .

5. （3） — Why do you like trees?

   — Because they our city .

7. （4） — What do people use matches to do?

   — People use matches to .

9. （5） — the picture. What is it?

   — It's the Earth.