Ali is (tallest / taller) than Adam
taller
Pineapples are ( sweeter / sweetest) than oranges.
sweeter
This is the (most boring / more boring) book I've ever read.
most boring
Canada is one of the (colder / coldest) countries in the world.
coldest
My bag is (heavier / heaviest) than yours.
heavier
Sara's dress is (shortest / shorter) than mine.
shorter
Summer is (hottest / hotter) than autumn.
hotter
The elephant is (bigger / biggest) than the mouse.
bigger
This TV is the (largest / larger) one at the shop.
largest
Mario can run (fastest / faster) than Bill.
faster
I am sad because my score is (as high / not as high) as Penny's score.
not as high
I got (lowest / lower) grade than Lena.
lower
My sister is two years (old / older) than me.
older
What is (more slow / the slowest ) animal in the world?
the slowest
That test was (more difficult / most difficult) than the previous one last week.
more difficult
Math is (as important / importanter) as biology to me.
as important
