Secondly, some lectures and trial lectures are required to be in English (there are different requirements according to different regions). In some areas, even if English is not needed for future classes, English will still be required for interviews. ) And even if you don't ask for a trial lecture in English, you will generally be asked to speak some English. Look at your pronunciation, especially in junior high school. It's time for students to lay the foundation. If you make mistakes in pronunciation at this time, it will affect your future study.
Third, the content of lectures is also different in different regions. Some places require interviewers to say the same thing in a unified way, which is more convenient. Generally speaking, a lecture is the content of a class.
It doesn't matter whether all cities teach English, no matter how big or small it is. In fact, English teachers in big cities may not all teach in English.