Answer:
I always have to work with something in my eye. What am I?
What has four wheels and flies?
You use me from your head to your toes. The more I work, the thinner I grow. What am I?
I don't live within a house, nor do I live without. Most will use me when they come in, and again when they go out. What am I?
I am an instrument capable of making numerous sounds but cannot be touched or seen. What am I?
What made Cyclops quit teaching?