According to the context, the correct Spanish word in the Past tense to complete the sentence is "leyeron".
What is the Past tense?
In Spanish, it is used to present actions completed and they had no connection to the present.
In the sentence "Las madres les leyeron un cuento a sus hijos anoche", "leyeron" is the correct conjugation in the Past tense of the verb "leer" corresponding to the subject "ellas" (they).
Therefore, we can conclude that according to the context, the correct Spanish word in the Past tense to complete the sentence is "leyeron".
Learn more about Past tense here: brainly.com/question/23683709
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