Respuesta:
1. Is she living in Mexico City? (¿Está ella viviendo en Ciudad de México?)
R: Yes, she is (living in Mexico City).
2. Are they doing their homework? (¿Están ellos haciendo su tarea?)
R: No, they are not (doing their homework).
3. Is he working in a bank? (¿Está él trabajando en un banco?)
R: Yes, he is (working in a bank).
4. Am I having breakfast? (¿Estoy desayunando?)
R: No, I am not (having breakfast).
5. Are we lying on the beach? (¿Estamos acostados en la playa?)
R: Yes, we are (lying on the beach).
6. Is it raining? (¿Está lloviendo?)
R: No, it is not (raining).
7. Are you running in the park? (¿Estás corriendo en el parque?)
R: Yes, I am (running in the park)
8. Is she fixing the car? (¿Está ella arreglando el carro?)
R: No, she is not (fixing the car).
9. Are they playing tennis? (¿Están ellos jugando tenis?)
R: Yes, they are (playing tennis).
10. Are we watching TV? (¿Estamos viendo la televisión?)
R: No, we are not (watching TV)