填空题
A. I'm from London.
B. I was born in America.
C. Oh, sorry. I'm busy.
D. Never mind.
E. It is 20 dollars.
F. Fine, thank you.
G. Certainly. This is black tea and that is green tea.
填空题 Are you free this afternoon?
填空题 Can you show me some Chinese tea?
填空题 How much is it?
填空题 How are you?
填空题 Where are you from?