(fast)
Airplane is the fastest vehicle.
(tall)
Chelsea is the tallest person.
(small)
The kitten is smaller than the cat.
(hot)
Hanoi is hotter than Ho Chi Minh city.
(funny)
Johnny is the funniest boy.
(big)
The U.S.A is bigger than Vietnam
(fast)
The cheetah is faster than the mouse.
(hot)
Hanoi is the hottest city.