What do you like ( ) best?I like( )

what do you like 不填 best ?
I like apple

what do you like it best?
你最喜欢它什么？
I like its style.
我喜欢它的款式。

这样可以不？

——What do you like swimming（可填运动、事物等一切名词） best?
——I like because it is good for my healkth(加原因状语）