I really studied it for a long time. Let me tell you something.

As for the teachers, I suggest you meet them. Sometimes what is advertised to you is not true. It is always bad for my family. Last year, I went to Gospel, Alto and Starfish. The first two seem to be time-honored brands, and their qualifications are not small. Just say don't look. It's good for this teacher. You were shocked when you saw the price. Hehe, I can't help but go to the starfish. Fortunately, the education teacher was not impatient and introduced me one by one. I was so busy on Saturday that I finally found a teacher with the right price and time. I think there are many professional teachers in the exam. Let's go and have a look.