A baby blue whale is bigger _______ a hippo.
THEN
THAT
THAN
It´s difficult for polar bears to _______________their babies.
LOOK FOR
LOOK AFTER
Blue whales _____________ small fish and plants.
EAT
ATE
EATING
Polar bears live on the ___________ and swim in the _____________.
ICE, SEA
We should use
OUR CARS
PUBLIC TRANSPORT
The world is getting
COLDER
HOTTER
The world ___________trees to clean the air.
NEEDS
It´s _______________for polar bears to catch fish for food.
MORE EASY
EASIER
MORE DIFFICULT
DIFFICULTER
BLUE WHALES: ____________ bodies are longer than 2 buses.
His
Her
Their
Polar bears are losing
THEIR HOMES - HABITATS
People ___________cut trees in the forests.
MUSTN´T
MUST
CAN´T
It´s a good idea to
RIDE BIKES
DRIVE CARS
Air in big cities is getting
CLEANER
DIRTIER
Whales have _______very big mouths.
GET
GETTING
GOT
Blue whales are (big) ____ ____ all the other animals.
BIGGER THAN
The Arctic is getting
SMALLER
BIGGER