In the following sentence wich word is an adverb used to modify a verbthe young girl quickly learned rules of board game?

The adverb in the sentence "The young girl quickly learned the rules of the board game" is quickly.

Here's why:

* Adverbs modify verbs, adjectives, or other adverbs. They tell us how, when, where, or to what extent something happens.

* In this sentence, "quickly" tells us how the young girl learned the rules. It modifies the verb "learned".