31. The scientists were waiting to see the problem ____ .
A. set B. settled C. to settle D. settling
30. The foreigner tried his best, but he still couldn’t make his point ____ .
A. understand B. understanding C. to understand D. understood
29. People ____ in the city do not know the pleasure of country life.
A. live B. to live C. lived D. living
28. The ____ price will save you one dollar for each dozen.
A. reduce B. reducing C. reduced D. reduces
27. I’ve never heard the word _____ in spoken English.
A. use B. used C. using D. using
26. The result of the test was rather _____ .
A. disappointed B. disappointing C. being disappointed D. disappoint
25. There was so much noise in the room that the speaker couldn’t make himself _____.
A. being heard B. hearing C. heard D. hear
24. With the money ___, he couldn’t buy any ticket.
A. to lose B. losing C. lost D. has lost
23. Here are some new computer programs _________ for home buildings.
A. designing B. design C. designed D. to design
22. We're _________ to listen to her ________ voice. It's ________ to hear her sing.
A. pleased; pleasing; pleasure B. pleased; pleasant; a pleasure
C. pleasing; pleased; a pleasure D. pleasing; pleasant; pleasure