The answer is a
I imagine you are talking about the airport
in my opinion reading books, or even just dome short writing in Spanish can go a long way. Every time you come across a word you dont know look it up, or ask and write it down. Even try writing a sentence along with the definition of the word.
De que narración hablas? Tienes foto o algo?
Verb: cantar
Yo canto - Cantaba
Tu cantas - cantabas
Èl/Ella/Usted canta - Cantaba
Nosotros cantamos - cantabamos
Ellos/Ellas/Ustedes cantan - cantaban