Final answer:
The correct imperfect verb to fill the blank is 'me gustaban' because it agrees with the subject 'yo' in the past tense.
Step-by-step explanation:
When I was little, I didn't like anything about tomatoes. The correct imperfect verb to fill the blank is 'me gustaban' because it agrees with the subject 'yo' in the past tense. This verb means 'I liked' in English.
Learn more about Imperfect verb usage in Spanish