Контрольные задания > Then, the cotton may be treated with all kinds of chemicals to change the colour. 3) .... (fortunate), all of these chemicals end up as waste, which contaminates¹ our rivers and soil.
Вопрос:
Then, the cotton may be treated with all kinds of chemicals to change the colour. 3) .... (fortunate), all of these chemicals end up as waste, which contaminates¹ our rivers and soil.
3) Then, the cotton may be treated with all kinds of chemicals to change the colour. Unfortunately, all of these chemicals end up as waste, which contaminates¹ our rivers and soil.