Final answer:
The subject is Spanish and the grade level is High School. The exercise involves listening to questions in Spanish and answering them using the correct preterite form of verbs.
Step-by-step explanation:
The subject of this question is Spanish, as it involves listening to questions in Spanish and answering them using the correct preterite form of verbs.
The grade level of this question is High School, as it requires knowledge of conjugating verbs in the preterite tense.
An example of a question in this exercise would be:
¿Qué comieron tus amigos? (comer sushi)
Answer: Mis amigos comieron sushi.
Learn more about Spanish grammar