Question

Select all the people whom you would address using usted.

1. your brother
2. your teacher
3. a five-year-old boy
4. a police officer

Answer 1

1. your brother = su hermano

2. your teacher = su maestra (maestro)

Answer 2

teacher

a police officer

Explanation: is more for elder people out of respect lol your brother or a boy you can use tu.