Possesive Adjectives and Possesive Pronouns

I forgot my English book at home. Could I borrow ______ , please?
1. mine
2. your
3. yours
4. his
We have sold _____ house. Now we live in a flat.
1. ours
2. your
3. my
4. our
I looked everywhere for your key. I found John's key but I couldn't find ______ .
1. your
2. yours
3. his
4. him
Sarah and I had the same jackets, but she has lost _______ .
1. her
2. hers
3. his
4. mine
She is a rock star. ______ voice is beautiful.
1. Hers
2. His
3. Her
4. Mine
I can't find ____ cell phone. Could you please help me?
1. mine
2. my
3. yours
4. his
I like to watch movies on the internet in my room. Do you do the same in _____ ?
1. yours
2. theirs
3. your
4. ours
John and Mary don't like your car. Do you like _______ ?
1. their
2. ours
3. theirs
4. his
I'm taking my dog to the vet. It's broken _____ leg.
1. Its
2. my
3. Hers
4. It's
I like your flowers. Do you like ____ ?
1. my
2. mine
3. hers
4. yours