4. A： “May I speak to your manager Mr. Williams at five o’clock tonight?” B：“I’m sorry. Mr. Williams ________ to a conference long before then.” A. will have gone B. had gone C. would have gone D. has gone ...

15. A: Lucy, let me help you fix your computer. B: __________. I can manage it myself. A. That’s OK B. No, thanks C. Perhaps not D. Not at all ...

48. A: Thank you for having us. We had a very good time today. B: ________. Bye! A. No, thank you B. I’m afraid not C. You shouldn’t say that D. It was my pleasure ...

42. A: Can you come to my party on Saturday afternoon? B: ___________. I’ll have to help my parents. A. Sorry, I can’t B. Yes, I’d love to C. Let’s go D. No, I don’t think so ...

36. A: I’m sorry for losing your book. I will buy a new one for you. B: ________. I have another copy. A. Thank you B. Happy to hear that C. Never mind D. Of course ...

32. A: Would you please help me with my drawing skills? B: ______. You can come to my studio every Saturday. A. That’s all right B. No problem C. No, thanks D. Quite well ...

28. A: I’m going to the picnic this weekend. B: ________ A. Can you fish? B. Have a good time. C. No, I’m too busy. D. Don’t give up now. ...

3. A: Hello! Is that Mr. Wang speaking? B: Yes. _________ A. Who’s that? B. Who are you? C. I’m speaking. D. I’m Mr. Wang. ...

12. ——I reminded you not to forget the appointment. —— . A. So you did B. So I do not C. So did you D. So do I ...

31. —Who called me this morning when I was not? —A man calling___Robert. A. him B. himself C. his D. 不填 ...