Iwill mark as the brainliest answer

Choose the proper form of you to use in each situation. Write tú, usted, or ustedes in the blank.

1. your best friend

Answer 1 tú

2. Mr. Kaiser

Answer 2 usted

3. a classmate

Answer 3 tú

4 Dr. Mettler

Answer 4 usted

5 Mary

Answer 5 tú

6 someone you don't know

Answer 6 usted

7 your grandmother

Answer 7 usted

8 your sister Margaret

Answer 8 tú

9 Mrs. Peñate

Answer 9 usted

10. several friends

Answer 10 ustedes

11. your teacher

Answer 11 usted

12. Joseph

Answer 12 tú

13. a policeman

Answer 13 usted

14. Uncle John

Answer 14 usted

15. your brother Anthony

Answer 15 tú

16. your younger cousin

Answer 16 tú

17 a grocery store clerk

Answer 17 usted

18 someone you play ball with

Answer 18 tú

Hope this helps!