Question

The boy sat close to his friend. "Close" in this sentence is a/an:

-adverb.
-adjective
-noun
-verb

Answer 1

The word close registers as an adverb.

Step-by-step explanation:

As adverbs can modify verbs -which ’close’ does to ‘sat’- any word that can specify location/placement, will be an adverb (for the most part).

Answer 2

Answer: close adjective, adverb, close also means near