I did change the Board, because the teachers suggested that if the base class is not tight enough, China will probably never end. So I need to learn the same lesson, math and prefer Thailand does not like it at all.
I do not change, because the teacher suggested that if China is not tight enough basis may not graduated. So I had to learn the same and need to learn math by Thailand did not like it.
I haven't changed my faculty and because the teacher suggested that if the basis China not tight enough may not graduating. So I have to learn Thai intact and have to study math with dislike.