c.Be.Complete these sentences , using is , am or are.

1. He is at school2. They are at home3. I am in class4. She is on the bus5. We are students6. Jack is a student7. They are not from India8. The are married9. Marie is single10. Tom is friendly11. I am not from New York12. It is on the desk13. I am 20 years old14. It is Sunday.