Question

Which word in the sentence is an adverb?

Suddenly the frog jumped into the frigid water.
a. jumped
b. Suddenly
c. frigid
d. into

Answer 1

Adverbs modify verbs in terms of time, manner, place e.t.c so Suddenly is the answer that shows the manner in which the frog jumps

Answer 2

B. SUDDENLY

An adverb describes a verb, an adjective, or another adverb and answers the questions how, how often, when, and where.

How did the frog jumped into the frigid water? Suddenly.

The word "suddenly" describes the verb "jumped" by answering the question "how?".