--Would you like another piece of cake? --_____ .
A. Yes, thanks
B. No, please
C. Yes, please
D. Yes, if you like
---Please give me a hand, won’t you? ---________________________
A. Of course I will
B. You’re welcome
C. You are so kind
Don’t mention it
---What about another coffer? ----__________________
A. No, thanks
B. You’re so kind
C. Yes of course
D. Sorry for the trouble