Earlier. He never wake students, but what happens is that students need more instruction, late wake up time. This is the disadvantage of private teaching.
Previously, he was never called up the student. But what happens is that Students late The need to teach more than the scheduled time. This is the disadvantage of private tutoring.
Previously, he never wake up call students. But what happens is the student got up late, must sleep over a specified time. This is a disadvantage of teaching in private.