单项选择题
A. Nobody has complained like that before. B. I sincerely apologize for that. C. I wonder why you are satisfied with it. D. It’ s not our fault as there are too many customers.
A. Well, you’ d better keep an eye on your wallet. B. Why don’ t you stay at home and watch your baby C. By the way, what about your plan to visit your parents D. Take the train You’ re a fool.
A. What’s the matter B. What can I do for you C. Just a minute, please. D. Can I help you