—I’m sorry for losing your pen.   —______________
A. You’re welcome.  B. Thank you all the same. C. It doesn’t matter.

—____, Tom. Is this your book?
—No, it isn’t. I think it’s ____.

—Hi, Lucy. Your skirt is very nice.
—____

--Thank you for your valuable advice.      --________________.

-What is your father like?
--_____________________.

—Your watch is very nice.
---            .

.---Let’s play baseball.
---                         .

----Mike, these are my friends, Dale and Eric.
----___________
A. What’s your name?        
B. Nice to meet you!
C. How are you?

--- Can you come to my house on Wednesday afternoon ? 
---___    I have time that day!

--Do you mind if I open the window?       ---______. We should let in more fresh air.