Answer:
I put..
Most of the time grammar comes after 'common sense" which is inevitable. Grammar rules don't matter anymore when it comes to informal conversation. The grammar rules mainly only apply to a formal conversation it does not apply to the informal conversation. the grammar rules errors are only pinpointed when only we don't understand the sentence or it does not make any sense.
Explanation:
The person above me was helpful but I didn't want to copy them!!
It also didn't tell me my grade so I hope this is good :)
The answer is (usted) because you dont have a personal relationship with this person.
ustedes means you guys
vosotros means all of us
tu is used for someone whom you are close with like a family member or someone whom you have know for a while.
C. the larco history museum