东北大学15秋学期《大学英语(一)》在线作业1答案(共15页).doc

精选优质文档-倾情为你奉上一、单选题（共 25 道试题，共 50 分。）1. The police are still checking _his family backgroundA. in B. out C. up D. on-选择：B 2. Can I _your dictionary? -Sorry, Im using it.A. borrowB. lendC. keepD. return-选择：A 3. - Will you be free tomorrow? -_.A. OKB. Yes, I amC. I have no ideaD. All right-选择：C 4. He spent _ yuan on the new computer.A. five thousand,