Final answer:
Adverbs in the student's sentences include 'quickly', 'devotedly', 'loudly', 'excitedly', and 'clearly' which modify verbs or other adverbs and sometimes end in -ly.
Step-by-step explanation:
To underline the adverbs once, we look for words that modify verbs, adjectives, or other adverbs. Adverbs often, but not always, end in -ly. In the given sentences, the adverbs are:
- Quickly evacuated the building after the loud alarm began to sound.
- The lush, green lawn was mowed devotedly every week.
- The dog barked loudly every night, and deprived us of undisturbed sleep.
- I excitedly looked up at all the tall buildings downtown.
- His glasses were thick, but they helped him to see very clearly.