Ex 6 Выберите правильные притяжательные местоимения. 1. We know their / theirs phone number but they don't know our I ours 2. That's not my / mine purse. Mine / my is black 3. We're going dancing with some friends of ourlours. 4. It's theirs / their task, not our/ours. 5. Is this yours / your sister? ​