Answer:
La
Explanation:
'Mochila' is a feminine word, so the correct article is 'la.'
Imperfect: the Past Tenses. In very general terms, the preterite tense is used to refer to a single event that happened at a specific point of time or had a specific duration in the past, while the imperfect tense is used to describe ongoing events or events without a specific time period in the past.
Do you want the translation or what does están de acuerdo means?
Gustar i hope I helped you