Fill in: am,is, are.
1. ___ he your brother?
2. ___ it a sheep?
3. ___ they doctors?
4. ___ his sister an actress?
5. ___ they tigers?
6. ___ it a zebra?
7. ___ your father a policeman?
8. ___ you a businessman?
9. ___ her aunt a housewife?
10. ___ they rabbits?