Degrees of Comparison 1

Put the adjectives in brackets in the right degree of comparison.
The whale is ...... (big) mammal on the Earth.The whale is the biggest mammal on the Earth.
Parrots are ...... (colourful) pigeons.Parrots are more colourful than pigeons.
Tokyo is one of ......(busy) cities in the world.Tokyo is one of the busiest cities in the world.
The population of Spain is ...... (little) than 50 million people.The population of Spain is less than 50 million people.
Air pollution is ...... (bad) in the city than in the country.
Air pollution is worse in the city than in the country.
What species is ...... (endangered) in the world?What species is the most endangered in the world?
He chose ...... (far) seat from the window.
He chose the farthest seat from the window.
People will fly to other planets ...... (far) in the future than we thought before.People will fly to other planets further in the future than we thought before.
My sister is two years ...... (old) me.My sister is two years older than me.
I'm Nick's younger sister. Nick is my ...... (old) brother.I'm Nick's younger sister. Nick is my elder brother.
The names of the ...... (good) scientists were included in the list for the Nobel Prize.The names of the best scientists were included in the list for the Nobel Prize.
We must stop ...... (far) destruction of the environment.We must stop further destruction of the environment.
It took her twice ...... (long) it took us to finish the work.It took her twice as long as it took us to finish the work.
Your flat is three times ...... (large) ours.Your flat is three times as large as ours.
The shoes were half ...... (expensive) the boots.The shoes were half as expensive as the boots.