Help

Advice

Advice

Hey, stepping into A levels with chem bio and phy, all IAL and i would love to know some good resources to study from and past papers till websites and especially how much time and effort do i put to get all A or B, also could someone guide me on how the threshold works cuz i dont get it as i did cie for O levels, i planned to take cs and ended up finishing the as level syllabus for p1 but now i didnt take it so i was thinking if i can get all B in mock 1 then should i apply as a private candidate for cs and give that exam aswell or will it be useless, im tryna do med school in Pakistan and any help would be appreciated thanks