1. Is she a teacher? - Yes, she is.
2. You are not children. You are students.
3. Are they in the classroom now?- No , they aren't.
4. Who are you? -I'm a student.
5. She is my friend.
6. He is not a doctor.
7. These are my children.
8. What's this? This is a new book.
9. Where was he last week?
10. We are friends.