Answer — Exercise 3

1:

1. How old are they?
2. Are they from Paris?
3. No, they aren't / are not.
4. They're from Lille.

2:

1. Carla and I are from Spain.
2. Are you from Madrid?
3. No, we aren't.
4. We are from Barcelona.
5. How old are you?
6. I'm eighteen and Carla is seventeen.