How study for the subject EBS and some other duvet ? NT stream btw

How does one study for EBS lol agfter the 20 sessions of coursework there will be only the N level question paper where only abit of mcq i assume like 10 and like alot of open ended questions do you just read the textbook alot try remember everything

Also since asking how do you also study for English (my only NA lvl) cuz like i see is just keep doing what's given by teacher to just test try alot in the paper then just do what feels right when answering so like how would you even study for it and how far does NT math N lvl go back to? Ik test all 4 years n primary school math but like which parts are usually the hardest or tested alot cuz no textbook for it i think if not is i nvr ask parents buy cuz thought no need