8.

57.众所周知，贸易和专门化相辅相成，使我们每个人能使用更多的产品。

34. Most people work because it’s unavoidable. ______, there are some people who actually enjoy work. 

43. In the author’s opinion, _____. 

3.

62.大多数父母所关心的是，尽可能为孩子提供最好的教育。

17. He was very busy yesterday; otherwise, he _____ to the meeting.

60.如今人们有了更多的闲暇时间，因而对各种服务的需求增长得如此快。

46.The ______ of bacteria causes body odor.

25. I keep the picture where I can see it every day, _____ reminds me of the days in my hometown.

41. The passage is mainly about the differences between British English and American English in _____. 

26. Being unique should be encouraged because that’s ______ makes our society a society.