Choose the right possessive pronoun.

1) Is this yours / your daughter?

2) It's theirs / their problem, not our/ours.

3) It's a good idea of your / yours to go to the bar tonight.

4) Are these her / hers shoes?

5) We're going swimming with some friends of our/ours.

6) Is it yours / your article about spiders? -No, it's not my / mine.

7) We know their / theirs address but they don't know our / ours.

8) That's not my / mine wallet. Mine / my is black.

9) His cottage is bigger than her / hers but her / hers is nicer.

10) My / mine parents live nearby, and your / yours?