This is ___ book in the library.
most interesting
more interesting
interesting
the most interesting
Of all the students, Tom is ___.
taller
tall
tallest
the tallest
The Yellow River is one of ___ rivers in China.
longest
long
longer
the longest
This is ___ film I have ever seen.
the best
better
best
good
Who is ___ student in your class?
careful
more careful
the most careful
most careful
Summer is ___ season of the year.
hot
hotter
the hottest
hottest
This problem is ___ of the three.
the most difficult
difficult
more difficult
most difficult
English is one of ___ subjects in our school.
the most popular
most popular
popular
more popular
This is ___ song in the world.
beautiful
the most beautiful
more beautiful
most beautiful
He is ___ boy in his family.
the youngest
young
youngest
younger
This is ___ box of all.
heavy
the heaviest
heavier
heaviest
Which is ___, the sun or the moon?
the biggest
big
bigger
biggest
This is ___ picture in the museum.
the most expensive
expensive
more expensive
most expensive
She is ___ girl I know.
the nicest
nicest
nice
nicer
This is ___ day of my life.
happy
happiest
happier
the happiest