1. A. That’s all right. B. It doesn’t matter. C. Have fun.
2. A. Not so well. B. Thank you. C. I agree with you.
3. A. Yes, I like it. B. What about you? C. It’s wonderful.
4. A. You are welcome. B. It doesn’t matter. C. Please don’t say so.
5. A. I am speaking. B. This is Jack speaking. C. I am Jack.