1. Ever since I arrived here, I __ in the dormitory because it is cheaper.
B. was living
C. had been living
D. have been living
2. John not only learnt Chinese also (know)_________the difference between his culture and ours. 200612.
1.By the end of next month, we (find) _______________ a good solution to the technical problem. 200706.
1. For years, doctors __ millions of patients’ lives with the help of microscopes.
B. are saving
C. will save
D. were saving
2. No one can deny that we (make) _____________ tremendous progress in the past twenty years. 200712.
1. In our company, great changes __ since the new manager came.
B. take place
C. will have taken place
D. have taken place
2. Karl probably (see) _________ “Star Wars” several times for he knows every detail of the film.
3. Since five managers are going to give their reports, the meeting (last) ____________ for at least two hours.
1. They will not start the project until the board chairman __ back from South Africa.
A. will come
B. is coming
2. My mother (enjoy)_________ a better health since we came to live in this beautiful seaside city. 200812.
1. By the time you come to see me next month, I __ my term paper.
C. am completing
D. will have completed
2. In the past few years, traffic problems (become) _________________ more and more serious. 200906.
1.By the end of this year Mr. Smith __ in our company for exactly three years.
A. is working
B. has worked
C. will work
D. will have worked
2. She described the ancient city in detail because she (live) ________________ there for years. 200912.