The sun is ....(hot) than the cup of tea.
hotter
The pig is ....(dirty) than the cat.
dirtier
The apple is ....(healthy) than the hamburger.
healthier
The cheetah is ....(fast) than the snail.
faster
The plane is ....(expensive) than the car.
more expensive
Tony is ....(young) than Luis.
younger
The elephant is ....(big) than the mouse.
bigger
The couch is .... (comfortable) than the chair.
more comfortable
The man is ....(tall) than the woman.
taller
The fox is ....(far) from the tree than the lion.
farther/further