Complete the sentences using the correct form (where necessary) of the given words in brackets (building, population, traffic, pollution, noisy cronvled.)
I want to move to the country because it is 1)
and 2)
the
city where I live.
There are a lot of tall 3)
in New York
Our city has a 4)
ofover 2 million people.
Now big cities have problems with 5)
and 6)