In fact, the teacher just looks at your attitude and ability, whether you can communicate, whether you will be ashamed and so on. The real consideration of academic ability is in the resume. Since you're going for an interview, show off your communication skills.
I still suggest you take a good look at your resume and make all the preparations, whether it's innovation, entrepreneurship, social experience or even your hometown. Think about what expansion is and ask how to answer this question. There are also several experiences that I am sure are excellent. Once I have the chance, I will guide the teacher to ask you relevant questions ~ and then say what I have prepared ~
Don't be too melodramatic, be confident and fluent ~
Good luck ~