Your question is bit unclear.
The answer: C
“As a matter of fact, my dog does know the difference between a treat and a vitamin.”
I hope this helps :)
The verb is walked because it's an action, quickly describes the action that is an adverb so the correct answer is walked
Answer:
the librarian, who was also in a rock band, decided to read a book about playing guitar.
The effect of natural voice is that it changes the pitch of the voice.
