19. Every teacher and every student              the development of our school in the past five years. (contribution)

每一名老师和每一位学生都在过去五年里为我们学校的发展做出了贡献。

18. Sorry！            you about the fixed time of the meeting. I' 11 tell you the information mentioned later. (forget)

对不起，我的确忘了要告诉你会议的时间了。我将稍后把相关信息告诉你。

17. An Earthquake destroyed his house，        for twenty years. (live)

他在那幢房子里面住了二十年，这次地震把那幢房子给毁了。

16. He was absent again, which              to carry on with the work. (make)

他又没来，这使得我们要继续这项工作有困难。

15. It is not what you say but what you do                 . (difference )

起作用的是你做了什么而不是你说了什么。

14.            he is wise and smart but because he is diligent that makes him a success, (it)

他的成功不是因为他聪明，而是因为他勤奋。

13.                many times by false advertisements,the old lady would not buy any products advertised on TV. (take )

多次被虛假广告所欺骗，这个老妇人再也不会买电视广告中的商品了

12.               when he heard that he was rejected by the students' union！(disappoint)

当他听说他没被学生会录取时，他是多么失望啊！

11. Some necessary equipment as well as food and clothes        the disaster-hit area since the powerful earthquake occurred. ( send)

自强震发生以来，一些必要的设备以及食品和衣服已被送到灾区。

10. The number of foreign students attending Chinese universities             steadily since 1997. (rise)

自从1997年以来，到中国大学学习的外国学生的数量一直在稳步提升。