6. A. No, not at all. B. No， I can’t. C. Yes，I mind.
7. A. Pretty good. B. You're welcome. C. That's right.
8. A. Don't worry. B. That's a good idea. C. It doesn't matter.
9. A. It's rainy. B. It's Monday. C. I'm fine, thanks.
10. A. Never mind. B. Not at all C. Sure, I'd love to.
