补全对话根据对话内容，填写适当的话语，使对话完整、正确。

A: Hi, Jack. Our speech competition about sports is coming.

B: Yeah, I'm ready for it. ?

A: I have no idea about it. Could you give me some good advice?

B: Well, that depends on your hobby. What's your favorite sport?

A: .

B: Then, you should collect some information about football.

A: ?

B: You can collect the information by reading newspapers and magazines. And you can also talk about the Changchun International Marathon these days.

A: . Thank you very much.

B: . Bye.

A: Bye-bye.