Final answer:
The correct form of the adjective 'inteligentes' should be used to match the feminine plural noun 'chicas'.
Explanation:
The correct form of the adjective to fill in the blank 'las chicas ___ inteligentes' is inteligentes. Adjectives in Spanish need to match the noun they describe in gender and number.
Learn more about Adjective Agreement in Spanish here:
https://brainly.com/question/30154098
