26. You might keep those old jam bottles. You never know ___ you might need them.

45. The author’s purpose of writing this passage is to ____.

64. 地震中，许多房屋受损严重，成千上万的人无家可归。

23. The letter is from my sister, ____ is working in Beijing.

40. In which section of the newspaper would you probably read this article?

2.

48.The exhibition is sponsored by   48   organizations.

5.

18. We all agree that a long dress is appropriate _____ a formal wedding.

9.

65. 尽管互联网技术现在已经十分先进，但是在一些发展中国家互联网在普通用户中还远远没有普及。

( ) 14. Usually the poor countries decide the prices of natural resources.