I have on interest in math,___,I'm interested in physics.

I have on interest in math,___,I'm interested in physics. I'm becoming more and more interested ___ physics.A.in B.wit I'm interested in ( ) you have said I'm interested in ____you have said I am getting________ (interest /interested )in. I'm interested in music. I have lost my interested ( ) physics. I lost my interest in math.What should I do? I'm interested in…you have said 的意思 I'm interested in ______ you have said I am ___ interested in English I have to assume that you have on interest in workig in Fifi