Possessive adjectives - ours or theirs

Choose the correct possessive pronoun in each sentence:: his oder hers.

1. Our shoes are outside.
are outside.
2. Their homework is hard.
is hard.
3. Those are our maps.
Those are .
4. Our locker is over there.
is over there.
5. The boys´caps are on the shelf.
are on the shelf.
6. Those are the the teachers´cars.
Those are .
7. The girls´cakes were really good.
were really good.
8. Those are the children´s books.
Those are .
9. Our room is tidy.
is tidy.
10. The T-shirts are their T-shirts.
The T-shirts are .