Choose the correct variant

Is this ____ daughter?
1. yours
2. your
It's ____ problem, not ____.
1. theirs, our
2. their, ours
Are these ____ shoes?
1. her
2. hers
We're going swimming with some friends of ____.
1. our
2. ours
Is it ____ article about spiders? -No, it's not ____.
1. yours, my
2. your, mine
We know ____ address but they don't know ____.
1. their, ours
2. theirs, our
That's not ____ wallet. ____ is black.
1. my, mine
2. mine, my
His cottage is bigger than ____ but ____ is nicer.
1. her, her
2. hers, hers
____ parents live in Vitebsk region, and ____?
1. My, yours
2. mine, your