1. A. Oh, that’s all right. B. I’m very happy. C. Oh, that’s right.
2. A. Yes, I will. B. No, I won’t. C. No, I’m not.
3. A. Yes, please! B. Either will do. C. That’s fine.
4. A. He is over sixty. B. He’s a doctor. C. He’s much better.
5. A. There was. B. Yes, there was. C. No, there was.