单项选择题
A. It’s a pleasure. B. I don’ think so. C. No, I don’t care about it. D. I’m sorry you didn’t.
A. Waiter and customer. B. Guide and tourist. C. Salesman and customer. D. Host and guest.
A. No, I don’t like his lecture. B. Yes, I know him very well. C. No, I’m afraid I don’t. D. Yes, I’d like to.