增加：在缺词处加一个漏词符号(∧)，并在其下面写出该加的词。

　　删除：把多余的词用斜线(﹨)划掉。

　　修改：在错的词下划一横线(____)，并在该词下面写出修改后的词。

　　注意：每处错误及其修改均仅限一词；

　　Dear Tony，

　　Thank you for your letter.To tell you the truth，I’ve thought a lot of about whether you should buy a laptop computer help you with your study.In my opinion，you’d better not.For one reason，it’s very easy for you to develop some bad habit once you have it，such as playing computer games and see movies，which will be a waste of time.For other reason，buying a laptop computer don’t mean you can study well.If you want to make a progress，you need to put your heart into your study but work hard.Whether you had a computer or not is not the most important.Do you agree to me？Looking forward to your reply!

　　Li Hua

　　答案

　　Dear Tony，

　　Thank you for your letter.To tell you the truth，I’ve thought a lot

　　of——

　　about whether you should buy a laptop computer

　　help you with your study.In my opinion，you’d better not.For one reason，it’s very easy for you to develop some bad

　　once you have it，such as playing computer games and

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