My big sister is (intelligent)___ than me.
more intelligent
The cheetah is the (fast)___ animal in the world.
fastest
I am (young)___ than my mom.
younger
Russia is (cold)___ than Mexico.
colder
Pluto is the (small)___ planet in the Solar System.
smallest
My brother thinks that DC is (good)___ than Marvel.
better
I think pizza is the (delicious)___ food in the world.
most delicious
The spring is (warm)___ than autumn.
warmer