desperate and dead for pure history

heyoo basically I suck at history as a sec 3, specifically SBQs i seem to be too surface level and i am always almost there but just not there iykyk. I failed by 2 marks last time. my school is testing the last 4 chapters of the textbook (basically excluding SEA) and i’m really scared i can’t study in time, how should i improve my history asap. And where can i read sample questions PLEASE HELP. Also i bought notes but what should i do to study efficiently