Question

A4.  (Выберите верную форму глагола.)

If people hadn’t thrown away litter, the streets of our towns... cleaner.

1) will be 3) would be

2) were 4) would have been 

Answer 1

If people hadn’t thrown away litter, the streets of our towns... cleaner.

1) will be 3) would be

2) were 4) would have been