He is _________(short) than her.
shorter
The dog is _______(big) than the cat.
bigger
Her hair is _______(long) than mine.
longer
Her hair is _______(short) than my mother's.
shorter
This car is _______(old) than my friend's car.
older
His hand is _______(dirty) than mine.
dirtier
The kitty is _______(lazy) today.
lazier
cold
colder
Who is _____(tall)?
taller.
Who's ______(young)?
younger
