Use the sentences to answer the question.
Please work very carefully on your science projects.
My brother sings loudly in the shower.
The school choir presented a first-rate program.
Mark is well-known for his very loud guitar playing.
Which sentence contains an adverb modifying an adverb?
•Please work very carefully on your science projects.
• Mark is well-known for his very loud guitar playing.
• The school choir presented a first-rate program.
• My brother sings loudly in the shower.