Quiz:Tú vs. Usted

Formal or informal? How would you address the following people? Choose tú or Usted for each.

1) the president of the university
a) tú
b) Usted

2) your Chemistry professor
a) tú
b) Usted

3) your boss at work
a) tú
b) Usted

4) your best friend
a) tú
b) Usted

5) your best friend's grandmother
a) tú
b) Usted

6) your little sister
a) tú
b) Usted

7) your classmate
a) tú
b) Usted

8) the kid you babysit
a) tú
b) Usted

9) a person you are meeting for the first time
a) tú
b) Usted

10) your best friend's kid brother
a) tú
b) Usted