ar preterit\nyo é nosotros/as amos\ntú aste vosotros/as asteis\nél/ella/usted ó ellos/ellas/ustedes…

ar preterit\nyo é nosotros/as amos\ntú aste vosotros/as asteis\nél/ella/usted ó ellos/ellas/ustedes aron\nellas ______ (jugar) ayer.\njugamos\njugó\njugaron
Answer
Brief Explanations:
The subject "ellas" is the third - person plural form. In the preterite tense for verbs ending in - ar, the third - person plural ending is "aron". The verb "jugar" (to play) in the preterite tense for "ellas" is "jugaron".
Answer:
jugaron