Answer:
You can do this with your friends. You can do this with your nose. But don't do it with your friend's nose!
These are needed to finish a test
Consuming food would be pretty tough without these chompers
Where can you add 2 to 11 and get 1?
Everybody's got one.
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright