Help!!! Выберите правильные притяжательные местоимения: 1. Is this (your / yours) book? 2. It's (their / theirs) door, not (our / ours). 3. They're new pupils and I don't know (their / theirs) names. 4. (My / Mine) flat is b...

Help!!! Выберите правильные притяжательные местоимения: 1. Is this (your / yours) book? 2. It's (their / theirs) door, not (our / ours). 3. They're new pupils and I don't know (their / theirs) names. 4. (My / Mine) flat is bigger than (her / hers), but (her / hers) is nicer. 5. That's not (my / mine) book. (My / Mine) is new. 6. They took (our / ours) books and we took (their / theirs). 7. Are these pencils (her / hers)? 8. Is this (your / yours) house or (their / theirs)?