6. A. My teacher praised me.    B. I lost the game.         C. I’ve been to Japan. 

7. A. That’s a good idea.      B. Yes, please.               C. I don’t think so.

8. A. I agree with you.        B. I’ll try it.              C. Thank you very much.

9. A. In two weeks.        B. At the Central Park.      C. For about two years. 

10. A. Really?            B. Yes, I did.                C. So I did.