Final answer:
An adverb can modify another adverb.
Step-by-step explanation:
True. An adverb can modify another adverb. Adverbs are words that modify verbs, adjectives, and other adverbs. For example, in the sentence 'She speaks quite softly,' the adverb 'quite' modifies the adverb 'softly' by adding emphasis.
Learn more about Adverbs