补全对话

A. Yes, you are right. B. we plant more trees every year C. we get a lot of things from trees D. They keep the air cool and clean. E. What plants?

A: Hello, May. Do you like plants?

B: Certainly.

A:

B: Of course the trees.

A: Why?

B: Because We can get fruits, too.

A: I know paper is made from wood.

B: Anything else?

A:

B: Trees are air-conditioners.

A: So we plant trees.

B: Yes,