Whose necklace is this?
...
Whose bag is this?
...
Whose son and cat are these?
They're Mrs Marysia's. They're hers.
It's Lena's. It's hers.
Whose hat is this?
What's ...?
that
Whose band is this?
...
Whose pencil case is this?
...
Whose key ring is this?
...
What are ...?
these
Whose school is this?
It's theirs.
What's ...?
this
It's Lucy's. It's hers.
Whose food flask is this?
What are ...?
those
Whose jacket is this?
...
Whose hat is this?
...
Whose pencil is this?
...
Whose school is this?
It's ours.
Whose key ring is this?
...