Answer:
I can 'fly' underwater and have eight arms. What am I?
I'm a large gray animal with a trunk and tusks. What am I?
What has armor but is not a knight, snaps but is not a twig, and is always at home even on the move?
From that which comes within itself, It builds its table on my shelf.
What has a horn but does not honk?
What language does a billboard speak?