Learning the basics is nothing, mainly because you have your own heart. A senior once recommended me to Shanghai Mars English Training (specialized English training directly operated by Huapu Education Group), and my qualification should be enough! ), it feels good, you can have a look. They have English training with a starting point of 0, and they have targeted courses on demand. They can choose any course they want to improve and improve their English ability in a targeted way. And their cost performance is very high in Shanghai. Because they are on-demand courses, they will offer 2-3 times more courses than similar training institutions, but the price is cheaper than others. You can learn more about it.
As for the location, they have a training center in Pudong 830. If you live in Zhangjiang, you can take the subway first, then get off at Dongchang Road Station on Line 2 and get there at Exit 4.