A： Do you have some time tomorrow？
B： Yes, I do.
A： How about having lunch with me？
B： Good idea.
(2)
A： If you're free, how about lunch？
B： When did you have in mind？
A： I was thinking about Thursday？
B： That will be fine with me.
(3)
A： I'm calling to see if you would like to have lunch tomorrow.
B： I'm sorry, but this week isn't very convenient for me.
A： Perhaps we van make it later.
B： That would be better.
(4)
A： I'm calling to confirm our luncheon appointment.
B： It's tomorrow at twelve o'clock, right？
A： Yes, that's right.
B： I'll be there.
(5)
A： I'm sorry, but I have to cancel out luncheon appointment.
B： I'm sorry to hear that.
A： I have pressing business to attend to .
B： No problem. we'll make it later in the month .
(6)
A： I need to change the time we meet for lunch.
B： What time would be good for you？
A： I'll be about half an hour late.
B： Good, I'll see you there at 12:30.
(7)
A： I'll get the check.
B： No, let me pay this time.
A： No, I insist.
B： Well, thank you very much.
(8)
A： This lunch is on me today，
B： I think you got it last time.
A： It's my pleasure.
B： That's very nice of you.
(9)
A： Shall we split the check.
B： Why don't you let me pick it up.
A： Oh, that's not necessary.
B： I know it's not necessary. I want to do it.
(10)
A： I really enjoyed the lunch.
B： Yes, let's do it again real soon.
A： I'll be back in town next month.
B： Good, I'll invite you out when you're here.