as the mobile phone becomes more and more popular,many people have it.i also have one.i usually use it to call to my parents and friends.it's very convenient to contact with others by the mobile phone.as far as i'm concerned,if students can use the mobile phone through a right way,it's not bad for them to have a mobile phone.百分百原创
英语书面表达：现在手机是非常流行的通信手段,你有手机吗?你都用手机来做什么?你觉得学生应该拥有手机吗?