ข้อ 2 Do not homework and exercise.
The second cause of student cannot understand the lesson is do not homework and exercise. Homework and exercise are important for student because can help student to understand the content of the lesson even more. Student should do homework and exercise to review of the lesson student learns in each day. In addition, homework and exercise for to test comprehension of student. So, when students do their homework and exercise regular will help students understand the lesson better. In contrast, when you do not homework and exercise may result in you cannot understand the lesson and tutored by inefficient.