汤姆因在学校使用手机被学校处分,他感到很困惑,写信给你求助。请根据以下结构提示给汤姆回信。开头结尾已给出。
Beginning: Your letter reached me yesterday. It said in your letter that……..
Paragraph 1: 手机的优点:联系便捷
Paragraph 2: 带手机上学存在的问题:干扰教学,有害学习和健康
Ending: It is right for school to prevent you from using cell phones in school.