29. - Do you mind my opening the window?

　 - ______ I feel a bit cold.

A. of course not.　　 B. Why not?　　 C. Go ahead.　　 D. I’d rather you didn’t.

28. He promised _____________________________ (支付未付的帐单).

27. He is _________________________________ (杰出的工人).

26. (改错) A new building was set up in our school. __________

　　　　 A new railway was set up in my hometown. __________

　　　　 They built a committee to deal with important affairs. __________

25. He ______ writing on history of civilization.

A. set out　　 B. set about　　 C. set off　　 D. set on

24. He ______ the engine of the car ______.

A. made, going　　 B. set, going　　 C. let, going　　 D. get, go

23. There are five pairs ______, but I’m at a lose which to buy.

A. to be chosen　　 B. to choose from　　 C. to choose　　 D. for choosing

22. People have done much research in many ______ of science.

A. field　　 B. fields　　 C. ground　　 D. places

21. Nowadays many people in China can afford a car ______.

A. of themselves　　 B. of them　　 C. of theirs　　 D. of their own

20. The meeting was ______.

A. success　　 B. succeeded　　 C. successfully　　 D. a success