( ) 6. A. Once a week. B. 5 kilometers. C. In 15 minutes
( ) 7. A. Here you are. B. You are welcome. C. OK , thank you.
( ) 8. A. I' m sorry to hear that. B. Have a good time C. Go ahead.
( ) 9. A. Not at all. B. Sorry, I won't . C. No, I can’t.
( ) 10. A. Good idea. B. It's very kind of you. C. Good luck.
