Respuesta:
1. Am I surprised? Yes I´m.
2. Are you in the cinema? No I´m not.
3. Is he a engineer? Yes he´s.
4. Is she a singer? No she isn´t.
5. Is it a desk? Yes it´s.
6. Are you our classmates? Yes I´m.
7 Are they very funny? No they aren´t.
ExplicaciĂłn:
Cuando es pregunta el verb to be pasa primero y el pronombre después.