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
Answer:
For the first question
1.) The third letter in the fourth word
2.) The fourth letter of the fifth word
For the third question
1.) Hola, ¿qué pasa?
2.) ¿Cómo estás?
3.) ¡Buenas tardes!
Explanation: