Most of the questions appearing on the tests are centered around ‘compare and contrast’. Find more of such questions from every subject that you know are most likely to appear on the test and change your exam preparation to be more centered around them.
This method of studying is best suited for when your exams are approaching with top speed, and you want to go over everything you studied in the entire year. Build a collection of anticipated questions from past tests and prepare for exam specific questions.
You won't want your year-long intense study sessions brought to nothing if you haven’t acquired the desired grade.