Final answer:
The words from the list that are adverbs are 'slowly,' 'eventually,' 'really,' and possibly 'quiet,' if used in a context that modifies a verb, an adjective, or another adverb.
Step-by-step explanation:
Adverbs are words that modify verbs, adjectives, or other adverbs and often tell when, where, why, or how something happened. In the given list, the words that function as adverbs are slowly, eventually, really, and quiet (if used to describe the manner of something, like "speak quiet").
For example, in the sentence 'The student completed the exam slowly,' 'slowly' modifies the verb 'completed', indicating the manner in which the exam was completed. 'Eventually' could be used in a sentence as 'She eventually finished her homework,' where it modifies the verb 'finished' and tells us about the timing.
'Really' can intensify an adjective or another adverb, such as in 'He was really excited about the trip,' modifying 'excited.' Although 'quiet' can also be an adjective, in a context like 'She spoke quiet,' it functions adverbially to describe the manner of speaking. However, note that the more commonly used adverbial form of 'quiet' is 'quietly.'