中学生在校使用手机的利弊?要求：表明自己的观点.英语作文120个单词

Now many middle school students have mobile phones.I think students shouldn't have mobile phonesat school because some students send messages or play games and don't listen to the teacher carefully in class.If they have a mobile phone ,they will spend too much time on it.and it is bad for studying.So I think it is not right to bring mobile phones to school.