1. A. That’s all right!       B. Thanks a lot!           C. Good luck!

2. A. Let me see.               B. OK, here you are.         C. Sure, with pleasure.

3. A. Don’t say so.        B. You are right.               C. You are welcome.

4. A. No, not at all.            B. Thank you.                   C. I’m glad to hear that.

5. A. All right.                    B. Really?                          C. Never!