The antarctic blue whale is _____________ animal in the world (big).
the biggest
The cheetah is _____________ animal in the world (fast).
the fastest
Burj Khalifa, in Dubai, is _____________ building in Dubai (tall/high).
the tallest/highest
Yakutsk, in Siberia, is _____________ place on earth (cold).
the coldest
The chihuahua is ______________ breed of dog (small).
the smallest
The sloth is ____________ animal in the world (slow).
the slowest
T___ ___________ cathedral in the world is in Armenia (old).
The oldest
This baby is ____________ member of her family (young).
the youngest
Death Valley is probably _______ place on earth (hot).
the hottest
Arabic is one of ________ languages to learn (hard).
the hardest
_______ man in the world is 2m51cm tall.
The tallest
Uncle Jim is ________ person in my family (strong).
the strongest
T___ _______ highway in the world is in the USA. It's 30,000 kms! (long)
The longest
My bedroom is _____________ in the house. (clean)
the cleanest
