Answer:
usted
Explanation:
usted is more formal. if not certain which to use, use usted instead of tú considering its better to be more formal than less formal.
Declarar! It’s like say that you are passing through the airport with smth and you have to do it there, so, tienes que declarar en la aduana
1. Estamos
2. Es
3. Hizo
4. Puertorriqueño
5. Nos divertimos
6. Dijiste
7. Panameños
8. Me lavo
9. Se vistieron
10. Fuimos
Hope it helps!
