Respuesta :
Phrases like under the bed, behind the toybox, and somewhere upstairs function as an adverb in the passage.
What are adverbs?
Adverbs are the expressions and words that alter the adjective, verb, clause, determinants preposition, clause, etc., in a sentence. They are used in a sentence to express time, manner, place, frequency, certainty, etc.
Under, somewhere, and behind shows the degree of place as they are the adverbs that depict that the misplaced toy box might be under, behind, or somewhere on the upper floor.
Therefore, options a,b, and c shows adverb.
Learn more about adverbs here:
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