1.  A. On Saturday.           B. Only one year.          C. Last year.

2.  A. Yes, sure.              B. No, thanks.             C. Yes, please.

3.  A. Fine, thank you.         B. On foot.               C. It takes me half an hour.

4.  A. In Beijing.             B. Going to the U.S.        C. A doctor.

5.  A. What's wrong with him? B. That's all right.          C. I'm sorry to hear that.

6.  A. Yes, there were.         B. Yes, they did.           C. Yes, there are.