Помогите с заданиями по англ.яз:

Complete the sentences with a posessive pronoun.

1. They aren't our books.__ are at home.
2. This isn't my pencil case.__ is yellow.
3. Maria's got am MP3 player. This Mp3 player is __.
4. They aren't your marker pens.__ are in your bag.
5. It isn't my parents' car.__ is black.

Choose the correct option, A, B or C:

1. My friend Tom has got a sister.__ name is Alice.
A. Hers B.His C.Her
2. Tom's sister is 15 and __ is 16.
A. I B. My C. Mine
3. Alice has got a dog.__ name is Sport.
A. It B. Its C.It's
4.__ sisters are the best friends.
A. Our B. Ours C. We
5.__ are interested in music.
A. Their B. They C. Theirs
6. Is __ family similar or diffrent?
A. You B. Your C. Yours