Question

3) ¿Por qué de pronto le habla al hijo de "usted" y otras
veces de "tu"? (Con citas). no oyes ladrar a los perros

Answer 1

Answer:

"usted" is the more formal way to speak to an adult or someone older than you in Spanish while "tu" can be used when you're speaking to someone like a friend and that you have a chill and laid back connection with.

Explanation: