Possessive pronouns

My friend Tom has got a sister. ___ name is Alice.

Is ___ family similar or different?

Tom's sister is 10 and ___ is 12.

___ are interested in music.

Julia has got a dog. ___ name is Spot.

___ sisters are best friends.

It isn't my brothers' car. ___ is black.

They aren't your marker pens. ___ are in your bag.

Maria's got an MP3 player. This MP3 player is ___ .

This isn't my pencil case. ___ is red.

They aren't our textbooks. ___ are at home.

This is my sister's phone. I know it's ___ .