Choose "is", "am" or "are"

Fill in the blanks.
1. I a student.
2. She a nurse.
3. He a doctor.
4. They books.
5. It a chair.
6. You a teacher.
7. We students.
8. He fat.
9. Suda tall.
10. The bird small.
11. I a student.
12. She a girl.
13. He a boy.
14. I tall.
15. The elephant big.