Question

Fill in the blank with the appropriate form of gentil.
Elles sont ____

A. gentils

B. gentilles

c. gentille

D. gentil

Answer 1

Answer:

B. gentilles

Explanation:

feminine plural

Answer 2

Answer:  B. gentilles

Explanation:  The adjective must "agree" with the subject in gender and number. Elles is feminine and plural

The -le (same ending as elle, singular, is added to the base adjective gentil to make the feminine agreement.

The -s ia added to make the plural agreement.