Hehe, because the scheme of Chinese Pinyin is still being perfected, the question of who has the greater advantages and disadvantages of Chinese Pinyin is still controversial in academic circles, which is very risky.

But the solution is simple.

1 Strengthen your argument. No matter what questions the teacher asks, don't doubt your argument. You can tell the teacher "this is my personal opinion", but only if your argument fully discusses your "personal opinion".

If the problem is too difficult, just say, "Sorry, this is beyond the scope of this article."

It's hard to say what questions the teacher will ask. It depends on the specific content of your paper. It is urgent to improve the specific content of your thesis.