Here’s advice from Oxbridge Students for every subject:

• Maths
• Engineering/Natural Sciences
• Computer Science
• Medicine
• Law
• Economics
• PPE
• HSPS
• Geography
• English
• History
• Theology
• Psychology
• Music
• Archeology
• Foundation Year (Cambridge)
• ChatGPT voice is great, ask it to grill you with the expectation of a 1st class grad, give it a criteria for clarity, fluency, etc and improve based on it
• Mock interviews are great, esp if you get interviewed by someone from college you’re rooting for