30. B. gist
31. B. necessary
32. D. got in touch with
33. C. unwise
34. A. He speaks much more slowly than my brother.
35. D. Despite her physical handicap, she has become a successful person.
36. B. A new bicycle has just been bought for their son.
37. C. If you don't finish your homework, you can't go out with your friends.
38. D. She wondered whether to tell her the truth about her misery.
39. C. It is promised that the performance will start in time.
40. A. You had better check your answers before handing in the test.
