Answer:
16. Estamos dejando
17. Están llenando
18. Está bebiendo
19. Están entrando (nobody would say this in Spanish tbh)
20. Está enseñando
Explanation:
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. Unos documentos
2. El discurso
3. La paciencia
4. La lista de invitados....
What do. You mean by that
