I have corrected the problem by more learning intention. study time not playing the internet . Relax enough to sleep in a classroom. Do homework to be done in order to have time to read more books. And reviewed the content of learning every day.
I have corrected the problem by more learning intention. study time not playing the internet .Relax enough to sleep in a classroom.Do homework to be done in order to have time to read more books.And reviewed the content of learning every day.