The 20th15th Session of Mathematical Science
This can't be generalized. First, see which ones you have tried your best to get promoted, and which ones haven't got due marks because of performance problems. These can be popularized. Generally speaking, English is memorizing, you can work hard, you know everything about mathematics, and the focus is on understanding and flexible use. Biology should be quite simple, you can consider it and see if it can be improved. Specifically, it should be combined with its own situation. Talk to the teacher, after all, they know best. Come on!