This is ___________ book I’ve ever read. (good)
the best
The Nile is ___________ river in the world. (long)
the longest
I’m __________ at English than you. (good)
better
Charles is __________ student in the school. (noisy)
the noisiest
The blue whale is ____________ animal. (big)
the biggest
Iceland is ___________ than Spain. (cold)
colder
These trainers are much ____________ than those. (cheap)
cheaper
Friday is the __________ day of the week. (busy)
the busiest
That skyscraper is one of __________ buildings in the city. (tall)
the tallest
This is __________ CD I’ve ever listened. (bad)
the worst
My neighbour is _________ person I know (lucky)
the luckiest
The first exercise was easy but this one is ________. (difficult)
more difficult
English is __________ than Japanese. (easy)
easier
A spider is sometimes ____________________ than a large snake. (frightening)
more frightening
Today has been _________ day of the year. (hot)
the hottest
Which mountain is ___________ in the world? (high)
the highest
My sister is _____________than my brother. (clever)
cleverler
Our journey took __________ than we expected. (long)
longer
What is ___________ word in English? (common)
the most common
Frank works __________ than most people. (hard)
harder
Mr Harper is ____________________ teacher in the whole school. He is even ____________________ than my French teacher. (boring)
the most boring / more boring