What we have to do now is to stabilize the subjects we are good at. If you don't know math such as functions, you can ask your teachers and classmates. I think everyone wants you to make progress. If you don't know English grammar, you can recite more words and phrases, because there are few grammar exams. History is mainly about remembering and remembering the time when major events happened. Geography is mainly about understanding maps and ocean currents, so there is no problem. Geography rarely involves science.
Actually, sometimes there's nothing to be embarrassed about. If you ask questions that the teacher doesn't understand, the teacher will think that you are very motivated and will pay more attention to you. You will also make great progress without paying attention to yourself because of the teacher's concern. Let's go