41. Who set the fashion trends?

64. 散步有益于健康，我相信这一点对年轻人尤其重要。

9.

66. In recent years, an increasing number of college students are involved in various volunteering causes. There is no denying that volunteers make great contributions to society. On the one hand, in any big events such as Beijing Olympic Games and Shanghai World Expo, human resources are surely in great demand. Whatever a volunteer can do is helpful for the event. On the other hand, students can reap great benefits from volunteering work. Various experiences in their volunteering practice guarantee their brighter future career.

20. By the time the fire engines arrived, the house ____ to the ground.

57. 尽管是十五年前制造的，这台机器仍然状态良好。

4.

19. I went to see a doctor about my headache yesterday.He said there was ____, but I must stay in bed for a few days.

Conversation 28.

33. Since the young man learned that he had a lung cancer, he has been in deep ____.

56. 由于没有汽车，他感到购物很不方便。

39. What does Celine particularly like about Guanlao’s library?