Hands-on experiments: Physics is a practical science, and hands-on experiments can help you understand the principles of physics.
Read more books: read physics books and study physical principles.
Exercise: Doing exercise is an effective way to consolidate the physical foundation. I suggest you do at least some exercise every day.
Find your own way of learning: find your own way of learning. For example, some people like to attend classes, some like to read books, and some like to do problems.
Share with others: sharing your own physics learning experience and communicating with others can better consolidate your knowledge.
Contact the teacher: If you have any difficulties, you can contact your physics teacher for help.
I hope the above suggestions can help you consolidate your physics foundation before the college entrance examination.