改正下列短文中的错误。请根据上下文对标有题号的每一行作出判断;如无错误，在该行右边横线上划一个勾（√）;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应加的单词。
此行错一个词：在错词下划一道线，在该行右边横线上写出改正后的单词。
注意：原行没有错误的不要改。
Should students make friends on line? Some of people say yes.      ________
The Internet helps make many friends. Chat on line,                     _______    
students can more free express their feelings and opinions,                   _______
and even get help with their foreign languages studies. Others,      _______
therefore, think students should not. They say making friends        _______
on line is waste of time, which should be spent more                    ______
meaningfully on study. Beside, some students get cheated on line.     ________
It is my opinion students should place their study, health               _____
and safety before other things. As for friendship, we can                 ________
readily find them in our classmates and other people around us.      ________