8.He prefers coffee to tea.

39. A friend of mine from high school is working in England now.

54. Various substances differ widely in their magnetic(磁性的)characteristics.

16. I slept soundly all night.

45. The traffic jams during morning and afternoon rush hours are a headache in big cities now.

29.The doctor had no choice but reach out to their colleagues across the nation.

10 . Are you fond of music?

22. Could you tell me where the post office is?

67. You needn’t go there anymore. He already knows about it.

32. Do you think you can do it by yourself?