what's you favoite subject,mike?

what's you favoite subject,mike? What's your favourite subject,Mike? What's the matter with you,Mike? What subject do you have this morming?的subject能+S吗?为什么? my father's favoite food what's your favorite subject. what's your favourite subject? What's his favorite subject? what subject do you have? ①How are you what's your favorite subject?②How long have you what's your friend's favorite subject? what's your favorite subject?为什么是is your而不是are you