IT'S A ....
BIRD
THEY'RE ......
BIRDS
IT'S A .....
CAT
THEY'RE .....
CATS
IT'S A .....
DOG
THEY'RE .....
DOGS
IT'S A ....
FISH
THEY'RE .....
FISH
IT'S A .......
HORSE
THEY'RE .....
HORSES
IT'S A .......
MOUSE
THEY'RE .......
MICE
............... A BIRD.
IT'S
............ BIRDS.
THEY'RE
........... A CAT.
IT'S
................ CATS.
THEY'RE
