选句子，补全对话。

A. Right, we can run a race. B. How do you do? C. Glad to meet you, too. D. What a find day! E. Line up, please.

A: How do you do?

B：

A: Glad to meet you.

B：

A：

B: Yes, it's fun in the sun.

A: Let's play games.

B：

A: OK.

B: one, two! Run!

A: Come on! Run, run!