Can anyone help me with revision?

Im in year 13 and politics has never been my strong point, but now I've been stuck on a C for a while. I have my mocks on Monday and I have been doing all nighters since Monday and I have pages and pages of content but I've been having difficulty creating exam plans and finding questions for them. I also have been doing practice questions but my teachers feedbacks are really not helping. I was wondering if anyone had exam plan examples, source answers or any answers where they got good grades or any advice overall. Thanks :))))