Iii. put in the right form of pronoun. 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 books are … (mine/his/hers).
2. What was your mother doing?
3. Our farm is as rich as theirs.
4. This office is theirs.
5. Those are Victor's books. The books are his.