32．Many experiments_____before the research team was able to get the exact data to carry on project.

29．What has been studied suggest that a short nap in the afternoon_______you refreshed for the next four or five hours.

28．—How about setting up an out-of-class club to share our interests and hobbies?
—Great! That’s exactly what I_________.

—Hi, Tracy, you look tired.
—I am tired. I            the living room all day.

30. ---Which hotel are you in?
---I ___ in a hotel. A friend I met on the train from the south___ to put me up for a couple of nights.

4．My hands are dirty. I ______ the wall the whole morning but haven’t finished yet.

29. That was the first time I _______ there and I was impressed by the friendly people very much

28. She had a computer at home, and her parents desired that she ______ all her work at home.

31．With the cell phone available, I can do whatever I want to do and still______in touch with my parents and friends．

17. By this time next summer, you _____ a high paying job. But I will still be studying.