All instructors can provide each other with different teaching methods and lack of complementarity between teaching, children feel better and more diverse teaching styles and learning models.
Co-teach teachers can provide different teaching methods and inadequate complementary to each other on both sides of teaching, let students feel better and more diverse education and learning style pattern.
Gongjiao teacher can provide each other with different teaching methods and complementation deficiency of the both sides of the teaching, let students feel better and more diversified style of education and learning mode.