Fill in the correct preposition about, of, in, on, at. Помогите

Fill in the correct preposition about, of, in, on, at. Помогите пж 6 класс
1. My friend is keen on swimming.
2. He is good __at_ English and History.
3. But I am fond __of_ cycling and fishing.
4. We are mad _____football.
5. I am interested ___ Maths.