_______
A. Let me introduce myself.
B. Ma Ying from Nanjing.
C. Let’s just do it.
_______
A. Yes. Lovely day, isn’t it?
B. Yes. It’s a small world, isn’t it?
C. Hi! Welcome to our university.
_______
A. Why not? Write to your parents.
B. Never mind. Let’s do it together.
C. Yes, no problem.
_______
A. Yes, of course.
B. Sorry to hear it.
C. Well, forget about it.