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.
1) d (image 4)
2) c (image 3)
3) b (image 2)
4) a (image 1)
hope this helps!
C. Abierto.
The past participle is the tense with -ed, but abrir is one of the irregulars.
Where should we park the car- spelled in English. Hope that helped:)
Listen to the radio in the evenings.