59. 直到大学毕业 , 他才意识到社会实践的重要性。 

57. 金属有许多有用的特性 , 其中强度是最重要的。

31.There is not much news in today’s paper_？

34.I must decline it because the conditions you offered are not_.

29.This stick is_that one.

30.California relies heavily on income from fruit crops, _.

24.There is no doubt _ he is a good employee, for he has all the qualities that the company needs.

22.When Mr.Smith got there, he found that about_of his friends had arrived.

64. 大多数人相信因特网的益处多于问题。

19.If you are walking away from a clock tower, you will hear the ticking of the clock fade to point_it cannot be heard.

62. 不论她如何说 , 我也不相信这个消息。

43.What did the young man usually have at a restaurant ？