Answer:
These are needed to finish a test
What instrument can make any sound and be heard but not touched or seen?
Edible items purchased in large quantities.
Once you know it exists, it no longer exists. What is it?
I'm the source of all emotion, but I'm caged in a white prison.
What language does a billboard speak?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?