Answer:
-This is an adverbial phrase that modifies practiced.
-The phrase answers the question of "how" did she practice.
Explanation:
*An adverbial phrase is a group of words that functions as an adverb.
Example:
"He sings in a low register."
When used to modify a verb, an adverb (including an adverbial phrase and an adverbial clause) will usually describe when, where, how, or why something happens.
