Answer:
1. Ms. Katz plays tennis <u>well</u>.
2. Henry Louis Gates, Jr., is an <u>exceptionally</u> talented writer.
3. Melba <u>seldom</u> loses her head.
4. Herbert seemed <u>unusually</u> happy.
5. Should I slice the ancho chilies <u>now</u>?
6. Tranh cried out, “Don’t run <u>so fast</u>!”
7. I <u>always</u> enjoy Gary Soto’s poetry.
8. A <u>rather</u> funny clown was juggling oranges.
9. “I’m <u>too drowsy</u> for words,” Annette yawned.
10. Sue works <u>unusually</u> hard on Saturdays.
Explanation:
An adverb modifies or describes a verb and can change it. For example for question number 5, if the adverb changes to later it changes the sentence. For a better definition: a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word group, expressing a relation of place, time, circumstance, manner, cause, degree, etc.