Вставьте в правильной форме местоимение:
1. Don't take ... (my; mine) pen! Take ... (your; yours)
2. What was ... (your;yours) mother doing?
3. ..... Farm is as rich as ... (our;ours;their;theirs)
4. This office is ... (their; theirs)
5.Those are Victor's books. The book are ... (mine;his;hers)