Peter: “Oh, I’m really sorry”

15. Peter: “ Oh, I’m really sorry”.
John: “______.”
A. It was a pleasure B. That’s all right C. Thanks D. Yes, why?
16. An: “Let's go to the new movie down town.”
Nam: “______. ”
A. No, but I have seen it already B. Sorry, but I have seen it already
C. Thanks, but I have seen it already D. Shut up. I have seen it already