大学英语四作业1-4答案北师大13页.docx

北 京 师 范 大 学 网 络 教 育大学英语四作业1第一部分：交际用语（共5小题；每小题3分，满分15分）B 1. Youve been busy, havent you? . A. I was busy last weekB. Yes, Ive been working hard on my paperC. I will get busy with my English studies D. Id like to get busy like our teachers. C 2. Would you please hold these bags for me? A. Thats very kind of you indeed.B. What are these bags?C. Yes, with pleasure.D. Are these bags very important