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