1. Ayer, Mariana y yo hablamos (hablar) por teléfono.
2. Gregorio y Verónica viajamos (viajar) a Perú el año pasado.
3. Francisco recibió (recibir) una carta de su novia.
4. Yo arregle (arreglar) el pelo antes de salir.
5. ¿Y tú? ¿ pasas (pasar) todo el verano en Madrid?
“Por” is used to explain the cause or motive of something
“Para” is used to refer to the purpose of an action
Explanation:
The main difference is respect! Here in the U.S we would just say hi from a distance or do some type of handshake, and would be "very wierd" for someone here in the U.S to greet someone giving them a kiss on the cheek! It all just comes down to the lack of respect the U.S has and implements on us.
Amanda y Cristina trabajan en el examen.