3. eraser

4. sharpener

7. textbook Whose textbook is this? It's mine.

8. English book Is this you English book? It's Tom's. No, it isn't. It's Tom's.

9. Is this you glue, Ann? Yes, it's mine. glue

10. Whose dictionary is this? It's mine.

11. Is this your dictionary ? Yes, it's mine. It's Peter's. No, it isn't. It's Peter's.

12. Whose schoolbag is this? It's mine.

13. Is this your schoolbag ? Yes, it's mine. It's Cathy's. No, it isn't. It's Cathy's.

14. activity book Whose activity book is this? It's mine.

15. activity book Is this your activity book ? Yes, it's mine. It's Cathy's. No, it isn't. It's Cathy's.

16. Whose elephant is this? It's mine. Whose lion is this? It's Peter's.

17. Whose tiger is this? It's mine. Whose panda is this? It's Lisa's.

18. Whose duck is this? It's mine. Whose mouse is this? It's Tom's.

19. Whose dog is this? It's mine. Whose bear is this? It's Peter's. Whose cat is this? It's mine.

20. Whose zebra is that? It's mine.

21. Is that your bear? Yes, it is. No, it isn't.

22. seal Whose seal is that? It's hers.

23. whale Whose whale is that? It's hers.

24. hippo Whose hippo is that? It's his.

25. dolphin Whose dolphin is that? It's his.

27. zoo Oh, what a big zoo! It's our zoo. We made all the animals.