Answer:
5. b) yes, this sentence uses an adverb.
6. b) what kind?
7. "constantly" and "extremely" are both adverbs.
Step-by-step explanation:
5. "eerily" is an adverb.
6. an adverb is used to modify something, and "what kind?" is the only applicable answer for this.
7. either adverb can be chosen to underline.