Answer:
Hacen
Ves
Venistes
Vino
Tuve
Tuvieron
Dijieron
Dice
Estabamos
Estaban
Vio
Vieron
Explanation:
You have to conjegate the verb so that its in acordance to the subject
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