I read it online before, and it seems that the national admission rate is around 30%, which is still quite high. After all, there are so many people who abandon the exam every year. As long as you can stick to it, the hope of being admitted is still quite great.
Postgraduate remedial classes, I prefer the postgraduate courses in heaven, that is, those depressing things that I listen to at home or in my dormitory without worrying about rain or being too hot to go offline.
What I said may not be suitable for you, you can compare a few more,
It's better to have an audition for everyone. Then choose a more satisfactory one.