Has she got a cat?
Yes, she has.
He/computer.
He has got a computer.
Has she got a cat?
No, she hasn't.
She/no/two oranges.
She hasn't got 2 oranges.
Has she got black hair?
No, she hasn't.
What have you got?
I've got a book.
Has she got an umbrella?
Yes, she has.
they/no/umbrella.
They haven't got an umbrella.
Have you got a car?
No, I haven't.
What have they got?
They've got 2 flowers.
I/no/horse.
I haven't got a horse.
Has he got black hair?
Yes, he has.
What have you got?
I've got a pencil.