First of all, if he is interested in learning, he might as well intersperse some interesting things, such as stories, while teaching, so that he is not bored with learning but full of expectation and confidence, which requires understanding their hearts and how to treat children.

Secondly, we should know how to combine speaking with practice, not boring speaking or practicing alone. Every time we talk about a topic, we must find another topic with similar questions to do, so as to improve our understanding of this topic.

Again, if you improve in a short time, you might as well give him more test papers to see if there are any mistakes. What is wrong is to fill the loopholes and strengthen the wrong questions.

It doesn't matter.