Mobile phones are everywhere in big cities. It seems that 16 can survive without one. Mobile phones are a great 17 to stay connected with friends and family. 18 , it is important to remember that there are certain times 19 you should not be using your phone, especially as a student, during school.20 you are in class, you should not be sending your friends text messages 21 taking phone calls. Your classmates and teacher should not have to deal with this rude 22 . Aren’t you at school to learn? In the United States, students would never be allowed to 23 their mobile phone