Besides, it doesn't matter what he learns, as long as he understands and can use what he learns.When you can't give him a good explanation, don't explain it to him at all. Just say, "I don't have a good answer either. I made a mistake. Let's not talk about that." , It’s really not a bad choice, it doesn’t matter if you give up all of them.If it is suitable, with a little attention, you will soon find opportunities to make him feel useful.
Press "Left Key ←" to return to the previous chapter; Press "Right Key →" to enter the next chapter; Press "Space Bar" to scroll down.