Answer:
The population of Mexico City is:
8 748 384
(Source: Secretaria del Trabajo, Gobierno de México)
I would assume te someone else is asking someone, and then that someone is responding to that someone else. (That made absolutely no sense.)
"El misterioso astronauta."
or it could be
"El molestoso astronauta"
Regular verbs:
1. Ayer comimos en un restaurante italiano
2. El fin de semana pasado visitamos a mi mamá
Irregular verbs:
3. El mes pasado fui a España con mi amiga
4. El año me pasado me diste un libro de cumpleaños