【单选题】

根据下面一段对话内容，从方框内的7个选项中选出最佳选项。 A、Excuse me. ____16____B、Yes. You don’t know me, of course. I don’t teach here. I just give oral examinations here now and then.Don’t be nervous. A、Nervous Who MeB、 ____17____ I’m going to ask you a few questions. Then we are going to have a short conversation inEnglish.Do you understandA、Yes, of course I do. ____18____B、After the examination, please. First of all. why are you learningEnglishA、Why am I learningEnglishB、Yes, I mean, what are you going to do with itAre you going to be a teacher ofEnglish, or what elseA、 ____19____ I really must ask you something first. B、Very well. If you insist, go ahead please! A、Would you like a cup of coffeeB、Pardon What did you sayA、You see, I’mEnglish. I’m one of the teachers here. I came to ask you if you would like a cup of coffee. B、 ____20____ .And thank you so much!

A、You must have wronged me.
B、Oh! I’m so sorry about this. C．Please stop just a seconD、D．Are you Mr. Smith E．But may I ask you something first F．Is there anything I can do for you G．Now. sit down please.