They are mainly courses for people who are about to study abroad or emigrate. There are overseAS exam courses (such as IELTS, TOEFL, GRE, GMAT, LSAT, SAT, ACT, SLEP, AS, A-LEVEL, O-LEVEL, etc.) or oral English (such as oral English for overseas survival, business oral english, etc.). ). Among them, IELTS and overseas survival oral English are the main ones, and they also have the best reputation.
Many students around me who want to go abroad have signed up to study in the Commonwealth, and the overall response is good, and they all spread well. You can try
I hope it helps you.