Answer:
Railroad crossing without and cars can you spell that without any R's
What is a ten letter word that starts with gas?
You have a bucket full with 5 gallons of water. What can you ADD to it in order to make it 3 gallons?
What is the only question you can't answer yes to?
What goes up the hill and down the hill, And spite of all, yet stand still?
When is it bad luck to see a black cat?