like riding a bike
like taking candy from a baby
high as a kite
mouse
horse
duck
ant
as clear as _______
as light as _______
as happy as a _______
as exciting as ________
as hungry as a ________
as busy as a __________
as white as _________
as dark as _________
as smart as a ___________
crazy like a _______
to sleep like a ________
as free as a ________