1. A_¡£I am sorry,             B. OK, I will.       C. I don't.

2. A. That's all right!         B. You're so kind!    C. Have fun!   

3. A. Here it is.             B. It's really coot.     C. That sounds good.

4. A. Nice to meet you.      B. That’s nothing.     C. I'm sorry to hear that.

5. A. Me, too.              B. You can't.        C. I can't. either.