What in the following sentence which word is adverb Quietly they made their way home.?

The adverb in the sentence "Quietly they made their way home" is quietly.

Here's why:

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

* In this sentence, "quietly" modifies the verb "made", telling us how they made their way home.