---___________?   

---Yes, please.

        A. How are you               B. Can I help you   

C. What can you do for me      D. Nice to meet you

—___________?　

—Yes, please.

A. How are you　　 　　　　　 B. Can I help you　 　　　　　 C. What can you do for me

—_________________

—Yes, please．What club do you have'?

A．Can I help you?          B．How are you?       C．Good morning!

—________.

—Yes, please. I want a red T- shirt.

A. How are you?                              B. Excuse me.

C. Can I help you?                          D. What's your name?