Question

[Nga Dayy]

There are too many factories and mills in the town. As a result, the air is very dirty.
-> If __________________________________________________________
cứu tớ ii 

Answer 1

[Bagel]

there weren't too many factories and mills in the town, the air wouldn't be very dirty

Answer 2

[Dough King]

There are too many factories and mills in the town. As a result, the air is very dirty.
-> If there weren't any factories and mills in the town, the air would not be very dirty