You can also go to a better three books, remember to be affiliated with a prestigious school. For example, Tan Kah Kee College of Xiamen University; Nankai University Binhai College and other schools. If you apply first, you may really be admitted, so it is convenient to take the postgraduate entrance examination!
In response to your question: If you really repeat, choose Shangqiu. Find a cram school that is close to home and has a good learning atmosphere, and study hard for one year, and it will definitely pay off.
If you have any other questions, please ask me!