Dude, I'm a senior. To be honest, these are all important. English is the accumulation of words and sentences. If you want to learn well, you should not only make up lessons, but also rely on self-study. At your age, don't dig grammar hard, look it up in the dictionary and translate sentences independently, and finally compare the translation with repeated scrutiny. If you stick to a book, you will learn English well. However, the early stage is very difficult, see if you can persist.

Math-learn math and physics well and travel around the world. Studying hard means doing more problems, doing all the problems that can be done, and you can do the difficult problems. Summer vacation is coming. If you are willing to make up lessons, I believe you can be a red star and be prepared with both hands.

However, it is useless to make up lessons. If you do as I say, you will be fine. ...