However, if we choose to use some time and use the necessary and important time. I think it can be used in this case, it is not unusual for using a cell phone in the classroom.
However, if we choose to use in a reasonable time and the time needed and important. I think I can use in this case. Is not at fault for using the phone in the classroom.
However, if we choose to use in time and use time necessary and important I think that can be used in this case Is the wrong thing for telephone usage in the classroom