Answer:
1. Tú no comiste en el restaurante.
<em>(You didn't eat at the restaurant.)</em>
2. Ella no se vistió rápidamente.
<em>(She didn't get dressed quickly.)</em>
3. Ustedes no entraron a casa.
<em>(You didn't enter home.)</em>
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Explanation:
These sentences are all in Preterite tense. This tense is used to describe actions that were completed somewhere in the past, actions made at certain times or during certain periods, or episodes in a sequence; unlike Imperfect tense that is used for actions in the past that have no specific beginning or end.
