One / one's which is your house, the black house or the white house she needs new shoes, the old shoes are too small these toys are expensive. are there any cheap pencils. i would like to have a cake- the red cake looks great

Which is your house, the black or the white one?
She needs new shoes, the old ones are too small.
These toys are expensive. Are there any cheap ones?
I would like to have a cake- the red one looks great.