He came here ......... yesterday(adverb)
Yesterday is an adverb here.
Is yesterday is an adverb here?
To determine the correct adverb for the given sentence, we need to consider the question word "when." The question "When did he come here?" suggests that we are looking for an adverb that indicates the time of the action (coming).
In this case, we know that the action (coming) happened in the past, specifically "yesterday." "Yesterday" is an adverb that describes the time of the action and indicates that it happened the day prior to the current day.
Therefore, the correct answer is "yesterday." It tells us when he came here in relation to the present day.