Answer:
What is long and slim, works in light. Has but one eye, and an awful bite?
Three little letters, a paradox to some. The worse that it is, the better it becomes.
I am the greatest teacher out of them all, but alas in the end I kill my pupils.
I'm full of holes, yet I'm full of water.
I have a hundred legs, but cannot stand. I have a long neck, but no head. I cannot see. I'm neat and tidy as can be.
A red house is made out of red bricks. A blue house is made out of blue bricks. What is a green house made out of?