24. When he came back, he found the bag he had _____ over the seat was gone.

　　　 A. left to hang 　　　　 B. left hanging 　　　　 C. left hung 　　　 D. to leave hanging

23. It is quite normal to _____ ten percent of the cost of a building for a period of six months or so, in case faults are found in it.

　　　 A. keep back　　　　　　　　　　 B. keep up　　　　　 C. keep off 　　　　　　　 D. keep out

22. The last few months _____ an attractive subject appearing in the news more and more: the Olympic Games.

　　　 A. saw 　　　　　　　　　　　 B. see 　　　　　　　　　　　 C. is seeing 　　　 D. have seen

21. After five hours’ drive, they reached _____ they thought was the place they’d been dreaming of.

　　　 A. that 　　　　　　　　　　　　　　 B. where 　　　　　　　　　 C. what 　　　　　　 D. which

在你班英语课的小组讨论中，同学们对电脑在人们生活中是否利大于弊进行了激烈的争论。请你根据下列表格信息，对此次讨论作书面总结，说明电脑在日常生活中的利弊。

提示：1．不需要逐字翻译，围绕以上要点进行合理的想象。

　　　 2．尽量运用你在课文中学会的词汇和句型。

　　　 3．字数在80-120之间。

In our recent English class , we had a heated discussion about whether computers do more good than harm in our daily life .

　　 16．　　　　　　　　 　　17．　　　　　　　　 　

　　 18．　　　　　　　　 　　19．　　　　　　　　 　　　20．