题目内容：

补全对话

根据对话内容，从方框内的选项中选出能填入空白处的最佳选项，其中有两个为多余选项。

A. How long is it ？

B. When will it be put into use?

C. It covers 24 stations.

D. But I hope the ticket won’t be expensive.

E. Would you please tell me something about it?

F. Does it cover many stations?

G. I’m looking forward to taking the subway to school!

A: Dad, we were told to collect some information about Wuhu Subway . 1.

B: Sure. It's reported that Subway Line l will be built.

A: Great ! 2.

B: It has a total length of 29.2 kilometers.

A: How many stations are there?

B: 3. And it connects four main areas of the city from the north to the south.

A: Then how about the ticket price?

B: Well, it still remains unknown.  4.

A: Hope not. 5.