A. It is entirely our fault. B. to talk to the Manager? C. I’m terribly sorry. D. with our compliments.
A: Would you like a cup of coffee? B:()
A. That’s Research and Development. B. No, thank you. C. Yes. D. Thank you.
A. that could benefit both of us. B. then he could get a large discount. C. that is made with certain conditions. D. to be more flexible over terms of payment.