短文改错： They think them a fashion to have one ever since it�

短文改错： They think them a fashion to have one ever since it's very easy to keep in touch with their friends.
Our classroom is what we give all our attention to wh at we need to learn.The less we are disturbed in clas s,the better our achievements will be.Therefore,wh en a lesson is on no mobile phones should be allowed to brought into the classroom.