Practice.
Answer first, then read the explanation. Don't skip it — that's the whole point.
El año pasado yo _____ el encargado de organizar la posada. (ser)
Last year I was the one in charge of organizing the holiday party.
La boda de Lucía _____ en una hacienda cerca de Cuernavaca. (ser)
Lucía's wedding was at a hacienda near Cuernavaca.
¿Tú _____ la primera de tu familia en ir a la universidad? (ser)
Were you the first in your family to go to college?
Los aztecas _____ grandes constructores de templos y ciudades. (ser)
The Aztecs were great builders of temples and cities.
Mi hermano y yo _____ campeones del torneo escolar en 2019. (ser)
My brother and I were champions of the school tournament in 2019.
El terremoto de 1985 _____ una tragedia para la Ciudad de México. (ser)
The 1985 earthquake was a tragedy for Mexico City.
Yo _____ mesera en ese café durante dos veranos. (ser)
I was a waitress at that café for two summers.
Las entradas _____ un regalo de mi cuñado por mi cumpleaños. (ser)
The tickets were a gift from my brother-in-law for my birthday.
Anoche tú _____ el único que llegó puntual a la cena. (ser)
Last night you were the only one who arrived on time for dinner.
Su primera película _____ un fracaso total en la taquilla. (ser)
His first movie was a total failure at the box office.
Aquella tarde nosotros _____ los últimos en salir del estadio. (ser)
That afternoon we were the last ones to leave the stadium.
En 2020 yo _____ voluntario en un hospital de Bogotá. (ser)
In 2020 I was a volunteer at a hospital in Bogotá.
Aquellos meses _____ los más difíciles de nuestra mudanza. (ser)
Those months were the hardest of our move.
Tú _____ mi mejor maestra el semestre pasado. (ser)
You were my best teacher last semester.
Not just a green check. A short paragraph telling you why.
No streaks, no points, no leaderboards. Just questions.
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