Elephants are _ (heavy) lions.
heavier
Sheep are _ (fat) goats.
fatter
Summer us _ (hot) winter.
hotter
My bed is _ (comfortable) yours.
more comfortable
Giraffes are_ (tall) horses.
taller
Eiffel Tower is _ (high) Big Ben.
higher
My pencil case is_ (beautiful) yours.
more beautiful
Dolphins are _ (intelligent) sharks.
more intelligent
Football is _ (popular) basketball.
more popular
This exercise is _ (boring) that one.
more boring