Answer:
A piece of paper that takes most people 3 or 4 years to get.
Railroad Crossing, look out for the cars. Can you spell that, without any R's?
Some will use me, others not. Some have remembered, others forgot. For profit or gain, I'm used expertly. I can't be picked off the ground or tossed into the sea. What am I?
I spend most of my day eating white. When I am quick enough I get rewarded with fruit and something blue. In a dark room with blue walls I run from the ghosts that roam the halls
What is full of holes but still holds water?
The answer I give is yes, but what I mean is no. What was the question?