It is best not to choose large class training under the route. First, the price is high and the effect is difficult to guarantee. After all, teachers take care of a group of children, and it is hard to say that they take care of every child. Like my son, he is shy. He is afraid to ask the teacher any questions. He is easily distracted. After a semester, he didn't improve and his children were tired. I was very tired when I took him to class. Then last semester, when I was searching for a tutoring app in the mobile phone application market, I found an institution called one-on-one tutoring. I haven't tried this kind of online one-on-one tutoring money for children. After listening to a class and feeling good, I applied for one semester, and the price can be halved. Moreover, the teacher only brought one child, and targeted teaching can find the weakness of the child. The effect is very good. The final exam score of this semester has increased by 20 points, and I am going to apply for another summer school. You can ask directly if you don't understand.