Has got употребляется в he, she в ед. числе.
Marta has got a parrot (ж.р, ед.ч)
Bill and Dan have got pets at home (мн. ч)
My mum has got a long hair (ж.р)
I have got a computer in my room. (надеюсь, здесь ясно)
My grandparents have got a house (мн. ч)