Your foundation is different, the level of applying for classes is different, the time you need is different, and the way your teacher gives you guidance is different.

The lowest is around 2000, and the most expensive is 12000. ...

Specifically, you can go to Chongqing New Channel, where there is an English proficiency test system.

You can test your level,

Then recommend the most suitable learning method.

If you are interested, go and see for yourself.