It's ____ elephant.
It's an elephant.
It's ____ apple.
It's an apple.
It's ____ insect.
It's an insect.
It's ____ bear.
It's a bear.
It's ___ nest.
It's a nest.
It's ___ bag.
It's a bag.
It's ____ rubber.
It's a rubber.
It's ____ school.
It's a school.
It's ___ jelly.
It's a jelly.
It's ____ penguin.
It's a penguin.
It's ____ kangaroo.
It's a kangaroo.
It's ___ egg.
It's an egg.
It's ___ octopus.
It's an octopus.