1. Whose books are these?
-The pupils'
2. Whose house is this?
-John's
3. Whose offices are these?
-The bankers'
4. Whose flowers are these?
- My mother's
5. Whose translation is this?
- My friend's
6. Whose shoes are these?
- My sister's
7. Whose stamps are these?
- Ted's
8. Whose fields are these?
- The farmers'
9. Whose discovery is this?
- Newton's
10. Whose words are those?
- Our teacher's