根据对话内容,选择方框中适当的句子,使对话完整、通顺。

Lin Tao: Hi, Sam! How are you today?

Sam:     1 _What about you?

Lin Tao: I'm OK. Are you free tomorrow?

Sam:     2__

Lin Tao: We're going to have a swim.

Sam:     3 _Can I come?

Sam:     4___Tao: We are going to meet outside the school gate, at two o'clock.

Sam: OK.     5__

A. Fine, thanks.     

B. How much is it?       

C. Where are you going to meet?       

D. Yes. Why?       

E. Goodbye!               

F. Good idea!