I have corrected the problem by more learning intention. study time not playing the internet . Do homework to be done in order to have time to read more books. And reviewed the content of learning every day. With adequate sleep can not sleep in class.
I have corrected the problem by more learning intention. study time not playing the internet .Do homework to be done in order to have time to read more books.And reviewed the content of learning every day.With adequate sleep can not sleep in class.