ellos respondieron

responded

→ responder
respond to answer, to respond + ieron 3rd person plural past
verb · third plural · past indicative Rare #45,192
responded
SP: Ellos respondieron a todas las preguntas.
EN: They responded to all the questions.
Conjugation of responder
Indicative past
SingularPlural
First respondí
Second respondiste
Third respondió respondieron

Respondieron.

They responded.

— Lazzaro feliz (2018)

Los alumnos respondieron en orden.

The students answered in order.

Respondieron a mis preguntas con dificultad.

They answered my questions with difficulty.

No me respondieron los frenos.

The brakes failed to respond.