Air pollution is the biggest problem in the cities. if we 2.3. more and 2.4 cars less, we wouldn’t be polluting the air we breathe. 2.3) a) wouldn’t have wasted b) wouldn’t waste c) will not waste 2.4) a) had walked, had driven b) walked, drove c) walk, drive

ksutsydmi    3   20.08.2019 23:10    0