Cheetahs are the _____ (fast) animals in the world.
Fastest
Sarah is ____ (tall) than her brother.
taller
This math problem is ____ (difficult) than the last one.
More difficult
Dogs are usually ____ (friendly) than cats.
friendlier
This show is not ______ (popular) as the previous one.
as popular
My backpack is ______ (heavy) than yours.
heavier
Today is the _____ (hot) day of the week.
hottest
A winter in Santiago is not ____(cold) as a winter in Punta Arenas."
As cold
Who is bigger? (elephant and mouse)
The elephant is bigger than the mouse.
Who is taller? (giraffe and elephant)
The giraffe is taller than the elephant.
Who is longer? (cocodrile and dog)
The crocodile is longer than the dog.