He has a book. ¿Whose book is it?
It's his book.
He has an armchair. ¿Whose armchair is it?
It's his armchair
They have a teacher. ¿Whose teacher is it?
It's their teacher.
He has a pen. ¿Whose pen is it?
It's his pen.
They have a sofa. ¿Whose sofa is it?
It's their sofa.
They have a rubber. ¿Whose rubber is it?
It's their rubber.
Se has a dishwasher. ¿Whose dishwasher is it?
It's her dishwasher.
You have a bag. ¿Whose bag is it?
It's your bag.
She has a chair. ¿Whose chair is it?
It's her chair.
They have a cupboard. ¿Whose cupboard is it?
It's their cupboard.
We have a classroom. ¿Whose classroom is it?
It's our classroom.
She has a washing machine. ¿Whose washing machine is it?
It's her washing machine