<h2>
Answer:</h2>
Ayer mi hermana y yo fuimos a la playa. Cuando llegamos, Era un día despejado con mucho sol, y nosotras estábamos muy contentas. A las doce comimos unos sándwiches de almuerzo. Los sándwiches eran de jamón y queso. Luego descansamos y entonces nadamos en el mar. Mientras nadábamos, vimos a las personas que practicaban el esquí acuático. Parecía muy divertido, así que decidimos probarlo. Mi hermana fue primero, mientras yo la miraba Luego fue mi turno. Las dos nos divertimos mucho esa tarde.
<h2>
Explanation:</h2>
In this exercise we need fill in the blank with the correct conjugation of verbs in parentheses and matching either the preterite tense or the imperfect. The preterite is used when talking about actions that were completed at a certain moment in the past while the imperfect is used to talk about habitual actions or when talking about what someone was doing at the moment there was an interruption. So:
(1) Fuimos, comes from the verb ir and matches the preterite
(2) Era, comes from the verb ser and matches the imperfect
(3) Estábamos, comes from the verb estar and matches the imperfect
(4) Comimos, comes from the verb comer and matches the preterite
(5) Eran, comes from the verb ser and matches the imperfect
(6) Descansamos, comes from the verb descansar and matches the preterite
(7) Nadamos, comes from the verb nadar and matches the preterite
(8) Nadábamos, comes from the verb nadar and matches the imperfect
(9) Vimos, comes from the verb ver and matches the preterite
(10) Practicaban, comes from the verb practicar and matches the imperfect
(11) Parecía, comes from the verb parecer and matches the imperfect
(12) Decidimos, comes from the verb decidir and matches the preterite
(13) Fue, comes from the verb ir and matches the preterite
(14) Mirábamos, comes from the verb mirar and matches the imperfect
(15) Fue, comes from the verb ser and matches the preterite
(16) divertimos, comes from the verb divertir and matches the preterite
