这篇英语作文帮改改,

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这篇英语作文帮改改,
The technology development rapider.As a result cell phones are cheaply and conveniencely.(请问方便的副词是不是这样写?)conveniencely)Like it is light and early carry.So the unmbers of cell phones increase quicker and quicker.Speral(特别的单词是不是这样?Speral)at school,大部分同学有了手机.
Cell phones not only can be used receive online,sand mail and play games,but also it can be kept tough with parent.
But students uauslly use it to play games and sand mail.Then,theywas most time to do it.
I think,this is no good.we must close the cell phone and 专心听讲在课堂上.
有些句子我不会翻译...还有些语法错误,请各位帮改改,

conveniently
Special
most of my schoolmates have cell phones
concentrate in class