Question

Teresa smiled brightly as she and her younger brother looked for shiny shells on the sandy beach.
Which word is the adverb in the sentence?
a. smiled
b. brightly
c. shiny
d. sandy

What kind of word does the adverb modify?
a. another verb
b. an adjective
c. a noun
d. a verb 

Answer 1

The correct answer for the first question is B. Brightly. It is an adverb that shows in what manner was the action conducted, therefore, it's an adverb of manner.

The correct answer for the second question is D. A verb. Adverbs further describe verbs. They are for verbs what adjectives are for nouns.

Answer 2

The adverb is 'brightly'. Most adverbs have 'ly' on the end. An adverb describes a verb.