Ответ:

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