从方框中选择最佳选项完成对话,有两项多余。 A. Thank you. B. I'm sorry to hear that. C. Well, I finished work at about 8 o'clock. D. I don't know. E. Yes, I am. F. What were you doing at 9 0'clock last night? G. Where were you shopping at that time? A: Are you Mr Smith? B: __1__ A: I'm a policeman. Your neighbor, Ms Taylor, was killed last night. B: __ 2 __ What can I help you? A: I need to ask you some questions. __3__ B: I was on my way home from work. A: So were you working before 9 o'clock? B: __ 4 __ Then I went to the supermarket at about 8:15. A: Were you shopping from 8:15 to 9:00? B: Yes, I was. A: OK. __ 5 __ B: You're welcome.