当你告诉别人“我正在跳舞”时,说:A. I am singing .B. I am writing .C. I am dancing .
---_________________. ---She works on a farm.
---___________? --- It's interesting. I'd like to read it again.
--- Are you sure Li Ping has hurt himself? --- Yes, I saw it myself. ---_____________. Let's go to see him in the hospital.
--- Can you tell me the way to Tianhe Plaza? --- Sorry. I don't know. I'm a new comer. --- .
--- Did you see Mr. Green? --- Sorry? ---______________________?