1. Is she a doctor? Yes, she is.
2. I'm not an actress. I am a vet.
3. Are they from Mexico? Yes, they are.
4. They aren't twenty. They are twenty-two.
5. Mark is a farmer. He isn't a waiter.
6. We are Spanish. We aren't Italian.
7. I am from Portugal. I'm not Spanish.
8. Is he a pilot? No, he isn't.
9. Are you a teacher? No, I'm not.
10. Is he from Spain? Yes, he is.