Answer:
1. El maestro esta en la oficina del director
2. Los estudiantes estan en la cafeteria al lado de la biblioteca
3. El director esta ocupado
4. Estas tu cansado?
Explanation:
I SPEAK SPANISH
Here in U.S we sing the Happy Birthday song but in Mexico they sing las mananitas when is some ones birthday , and because they don't really know any other song that they can sing in a birthday party and the song is really popular in birthday party .