补全对话

A: Hi, Mike. ? I'm looking for you everywhere.

B: Oh, I went to the store to buy a notebook. What's wrong?

A: The school sports meeting is coming. We still need one player. ?

B. Sure, why not? But could you wait for a second? I have to return books to the library now.

A: . I will wait for you here.

（A few minutes later. ）

B: Hey, Sandy. Thanks for your waiting.

A: That's OK. Have you decided which sport you are going to take part in?

B: Yes. .

A: OK. Jackson is good at the long jump. You can train together after school.

B: That sounds great. ?

A: You can train from tomorrow on the playground.

B: OK. I'll arrive on time.