Most students think that Mathematics is ________ (difficult) than other subjects.
difficulter
more difficult
more difficulter
A car's price is usually ________ (expensive) than a bike's price.
expensiveer
more expensive
expensiver
My room is _________ (clean) than Bill's room because I clean it more often than him.
more cleaner
cleaner
cleanner
The weather in the beach is _________ (hot) than in the mountain.
hotter
more hot
hoter
The Empire State Building is one of __________ (tall) buildings in the USA.
the most tall
most tall
the tallest
Our neighbourhood is __________ (peaceful) than Los Angeles.
peacefuller
more peaceful
more peacefuler
The weather in Portugal is a lot __________ (good) than the weather in England.
more good
better
goodder
This room is __________ (comfortable) one in the hotel.
the most comfortable
most comfortable
the comfortablest
I have got __________ (nice) family I know.
the nicest
nicest
the most nice
My grandfather is __________ (funny) than my father.
more funny
funnier
more funnier
