1. A. Yes, I was. B. I watched a football match. C. I was reading an interesting book.
2. A. The maths teacher. B. English. C. Liu Xiang.
3. A. On Sunday. B. It's good. C. France.
4. A. Unfriendly. B. Raining. C. Yes, they were.
5. A. Here you are! B. I bought it yesterday. C. Of course you can.
6. A. I used to listen to pop music. B. I'm fond of pop music. C. I enjoy pop music.