(     )1. A. Quite well.                               B. I'd love to.                              C. They're busy.
(     )2. A. No, thanks.                              B. I want more dumplings.           C. I don't like it at all.
(     )3. A. Yes, I know.
           B. Sorry, I don't know. 
           C. The nearest post office is very big.
(     )4. A. I've just drunk it.                      B. I don't know.                          C. I've just eaten it.
(     )5. A. Yes, please.                             B. Have a good time.                    C. That's kind of you.