Which part of speech is the underlined word in the sentence?

Next, add the eggs to the batter.

A.
preposition

B.
adverb

C.
conjunction

D.
interjection

Which word is underlined?

To determine the part of speech of the underlined word in the sentence "Next, add the eggs to the batter," we need to identify the function of the word in the sentence.

In this case, the underlined word is "Next." To find its part of speech, we can look at how it is used in the sentence. "Next" is used to indicate the order or sequence of events, which is an adverbial function. Adverbs modify verbs, adjectives, or other adverbs. In this sentence, "Next" modifies the action verb "add," so it is functioning as an adverb.

Therefore, the correct answer is B. adverb.