Final answer:
The correct form of the verb 'ser' in the preterite tense for the sentence 'La clase de español muy divertida ayer' is 'fue'.
Explanation:
La clase de español fue muy divertida ayer.
In this sentence, the correct form of the verb ser in the preterite tense is 'fue', which translates to 'was'. This choice is correct for describing a specific past event.
Learn more about Verb Conjugation in Spanish here:
https://brainly.com/question/29637806
