Frogs _____ grasshoppers.
Frogs eat grasshoppers.
Eagles _____ snakes.
Eagles eat snakes.
______ ____ eaten by snakes.
Frogs are eaten by snakes.
The _____________ eats grass.
The grasshopper eats grass.
Grasshoppers _____ grass.
Grasshoppers eat grass.
Snakes ____ ________ ___ eagles.
Snakes are eaten by eagles.
The frog eats ____ __________.
The frog eats the grasshopper.
Grasshoppers _____ __________ ___ frogs.
Grasshoppers are eaten by frogs.
_______ eat frogs.
Snakes eat frogs.
The frog is _________ by the _______ .
The frog is eaten by the snake .
The ________ eats the snake.
The eagle eats the snake.
The __________ is eaten by the frog.
The grasshopper is eaten by the frog.
The snake _____ the frog.
The snake eats the frog.
The snake ___ ________ ___ the eagle.
The snake is eaten by the eagle.