They ______ (bake) bread in big ovens.

The question asks to complete the sentence by filling in the blank with the correct verb form. The word in parentheses indicates the base verb to be used, which is 'bake'. The sentence describes an action that happened in the past, related to the feast. Therefore, the simple past tense of 'bake' is needed. Kratkoe poyasnenie: Prostoye proshloye vremya glagola 'bake' ispol'zuyetsya dlya opisaniya deystviy, kotoryye byli zaversheny v proshlom. Poshagovoye resheniye:

1. Shag 1: Opredelite vremya deystviya. Predlozheniye govorit o deystviyakh, svyazannykh s khozyaystvom, kotoryye proshli.
2. Shag 2: Preobrazuyte glagol 'bake' v prostoye proshloye vremya. Pravil'noy formoy glagola 'bake' v prostom proshlom vremeni yavlyayetsya 'baked'.

Otvet: baked