first, thank you for teaching my son(daughter), i really appreciate your i hope my son (daughter)doesn't bring you much As to the grade, i feel happy to see my son's achievement, though there is still some I sincerely wish my son will strive for further improvemnt, and i hope you can help him to achieve that goal, i can cooperate with you if there is the need, toghther i believe we will make it!So thanks again for your time and attention!