Today's communication tools is necessary but it must recognize the use student temperate and has a duty to learn. Thus, the classroom must turn off cell phones so that they do not lose concentration in class.
Current communication tools are needed. But to know, use and propriety. The students have an obligation to learn. The classroom must switch off their mobile phones. Not to be distracted in class.
The current communication tools are needed. But to use and tact Students have a duty to study. So the classroom must turn off your mobile phone. To avoid losing concentration .