题目内容：

补全对话。 根据对话内容，填入适当的话语，使对话完整。

A: Good morning, Granny. 1._________________________?

B: Oh, boy. It’s difficult for me to breathe.

A: 2._______________________________?

B: I have been like this since last week.

A: 3.____________________________?

B: No. I haven’t seen the doctor. The chemical factory produces terrible gas.

It makes my chest hurt.

A: 4.___________________________. Pollution causes too many problems.

I think I should write to the newspaper about these problems.

B: 5.___________________.

A: You’re welcome.