At present, all kinds of English training courses are aimed at different teaching materials. If you want to study formally and sign up for a training class, you must first make clear what textbooks you want to learn. Personally, I think the series of new concept English textbooks are better, rich and interesting in content, and complete with teaching material analysis, which is an excellent textbook for systematic learning to improve English.
In the case of clear teaching materials, it is suggested that you should not report to the new concept English training class casually. There are only a few people in many English training institutions in Shandong, and many of the teachers are not even English majors, or just "college English teachers" with average level. Now the more famous ones are "New Oriental" and "Li Yang Crazy English". The latter is fooling children. It is very powerful to spend a lot of money to join in the fun and learn a few words of spoken English. . . . . . New Oriental teaching is relatively systematic, but it needs a certain English foundation, and it will never mislead other people's children on the whole, but Dongying does not necessarily have a branch school. In addition, there are "Lange" and "New Channel" in Shandong, both of which are not bad. Big cities like Jinan and Qingdao should have separate training institutions.
There is also CET-4 and CET-6, which we often talk about now. CET-4 and CET-6 for English majors are only for college students, and they are not qualified after graduation. At present, there are some English qualification examinations in the society, such as English interpretation and translation level 3 and level 2 organized by the Ministry of Personnel, junior, middle and advanced interpreters organized by foreign countries, and Cambridge Business English junior high school (globally recognized), which can all be considered. English proficiency tests organized by other training institutions are not recognized by the society. . . . .
I wish you success in your study. You can ask questions again.