In fact, this thing will also happen in universities. I think it is irresponsible for me to do so. And if the teacher finds out, it will be very embarrassing. For this matter, I think I will try my best to go when I have time. Don't ask others to help you answer. Everyone has his own things to do, and everyone has only one name. Because some teachers have good memory and high resolution, they will hear the same answer. This result is a bit sad!