a couple of
these are just a couple of more serious problems.

does it make sense?

in the big world cities smoke and fumes from factories and cars make the air dirty

is this correct grammatically?

Thank you very much

Question

a couple of
these are just a couple of more serious problems.

does it make sense?

in the big world cities smoke and fumes from factories and cars make the air dirty

is this correct grammatically?

Thank you very much

Answer

You would say

'there are a couple more serious problems'

and

'in the big cities of the world smoke and fumes from factories and cars make the air dirt'

very good and nearly perfect!
I hope this helps :)

Answers · 2