6 Complete as in the example.

Complete as in the example:

1. A: Is it a classroom?
   B: No, it isn't. It's a school.
2. A: Are they pens?
   B: Yes, they are.
3. A: Is this an atlas?
   B: Yes, it is.
4. A: Are these notepads?
   B: No, they aren't.
5. A: Is she a teacher?
   B: Yes, she is.