Read the passage. The eastern diamondback rattlesnake is the largest poisonous snake in the United States. Eastern diamondbacks grow as long as eight feet, with the average length often being two to six feet. Like many other rattlesnakes, they frequently make a buzzing sound with the rattles on their tails when they feel threatened. They usually live in the southeastern United States and eat rabbits, rodents, and birds.

Which is the underlined adverb modifying?

The underlined adverb is “frequently”

Lauses unnecessary to the meanings of the words modified demonstrative 2. clauses necessary to the meanings of the words modified relative 3. words for which pronouns stand intensive 4. a pronoun ending in -self and referring to the previously used noun or pronoun nonrestrictive clauses 5. a pronoun ending in -self and used for emphasis restrictive clauses 6. pronouns that ask questions indefinite pronouns 7. pronouns that point out to whom or to what the speaker is referring reflexive 8. everyone, nobody, and something are examples antecedents 9. pronouns introducing adjective or noun clauses interrogative 10. i, you, him, mine, and their are examples personal pronouns