题目内容：

Ⅲ. 根据对话内容，从方框中选择恰当的选项补全对话，其中有两项多余。

A: Hey, Jeff!1.

B: It's hard to say. What's your prediction about that?

A: 2.

B: Oh, no. Then cities will be more and more crowded.

A:3. In 80 years, some of us will live on another planet.

B: 4.Mars (火星) or Venus (金星)?

A: Mars. I heard scientists found water on Mars.

B: Wow, that's great.5.

A: You're right. 

 

A. I think cities will be larger.

B. No problem.

C. Where would you like to live?

D. When you're free, you can go back to the earth on vacation.

E. What will life on the earth be like in 80 years?

F. How far is it from Venus to the earth?

G. I don't think so.

A. I think cities will be larger.

B. No problem.

C. Where would you like to live?

D. When you're free, you can go back to the earth on vacation.

E. What will life on the earth be like in 80 years?

F. How far is it from Venus to the earth?

G. I don't think so.