Help me Watch
Make sure you print of all of your specs and understand what to do for each of your exams to get good marks.
I would recommend looking at unjaded jade on YouTube for help with revision and how to revise/make notes as she is really helpful.
Have a go at some past papers
Remember not to let anyone’s else opinions tell you what you can or cannot do.
If you have the motivation to do this then you can do this.