Answer:
Entregué
Step-by-step explanation:
"Entregué" is a Spanish term that corresponds to the word "entregar" as its past form. Juan is asking when did Eric delivered his homework, and Eric says "ayer" which means "yesterday", this signifies that Eric has already given his task. Henceforth, we must use a past tense- and "entregué" is the one that fits the best within our context.