根据下面一段对话内容，从方框内的7个选项中选出能填入空白处的最佳选项。并将该选项前的字母填写在答题卡相应的位置上，其中有两项为多余选项A：Excuse me． 1B：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?Me?B： 2I’m going to ask you a few questions．Then we are going to have a short conversation in English．Do you understand?A：Yes，of course I do． 3B：After the examination，please．First of all，why are you learning English?A：Why am I learning English?B：Yes，I mean，what are you going to do with it?Are you going to be a teacher of English，or what else?A： 4I really must ask you something first．B；Very well．If you insist，go ahead please!A：Would you like a cup of coffee?B：Pardon?What did you say?A：You see，I’m English．I’m one of the teachers here．I came to ask you if you would like a cup of coffee．B： 5 And thank you so much!A．You must have wronged me．B．Oh!I’m so sorry about this．C．Please stop i ust 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．