How to ask for leave from the teacher when the Mid-Autumn Festival meets Teacher's Day?

The most important thing is to tell the truth, for example, because of family factors, you can directly explain the specific reasons to the teacher, and if it is your own factors, such as illness, you should also explain it clearly to the teacher. At the same time, the attitude and tone of asking for leave must be sincere, don't pretend, don't throw cold water on it, and teachers will generally agree.