She was the ____________(COMMUNICATIVE) person Christy had ever seen. Поставить в

She was the most communicative person Christy had ever seen.

Она была самым коммуникативным человеком, которого когда-или лицезрел Кристи.

Adjective has three degrees of comparison. They are positive, comparative and superlative.

Adjectives that have one or two syllables form their degrees with the help of er and the est.

Tall taller the tallest.

Clever cleverer the cleverest.

Adjectives that have more syllables form their degrees with the help of more and the most.

Beautiful more beautiful the most beautiful.

Wonderful more wonderful the most wonderful.

There are some irregular adjectives, here are they

Good better the best.

Bad worse the worst.

Many  more the most.

Much more the most.