此题要求改正所给短文中的错误。对标有题号的每一行做出判断；如无错误，在该行右边横线上画一个钩（√）；如有错误（每行只有一个错误），则按下列情况改正：此行多一个词：把多余的词用斜线（

此题要求改正所给短文中的错误。对标有题号的每一行做出判断；如无错误，在该行右边横线上画一个钩（√）；如有错误（每行只有一个错误），则按下列情况改正：
此行多一个词：把多余的词用斜线（﹨）划掉，在该行右边横线上写出该词并也用斜线划掉。 
此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
此行错一个词：在错的词下画一横线，在该行右边横线上写出改正后的词。 
注意：原行没有错的不要改。 
When my father bought me a puter as a birthday gift for              
76.     
me in last year, I felt very excited. As we all know, puters             
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are getting more and more usefully now. Much information can            
78.     
be stored in them. We can also learn that has lately happened               
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in the world on the Internet. In the past, people had to do lots of             
80.     
work which was very dangerous. Now, but, puters can do it           
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instead. When an exam is ing, I often did some exercises             
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on my puter. Then it will correct it and tell me the right               
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answers. In this way it is very convenient for me to prepare                
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the exam than before. The puter has bee my real friend.            
85.     去掉me