составьте вопросы , используя данные словосочетания 1. nature / millions of years ago?
2. waterborne diseases / in ancient Rome?
3. cholera, typhoid / in the Middle Ages?
4. air pollution / in the 20th century?
5. acid rain / form?
6. air pollution / the entire ecosystem of the ocean?
7. ozone layer / deplete?
8. pesticides and herbicides / dangerous?
9. fossil fuels / habitats and rainforest ?

ашпшплщ    1   11.12.2020 17:19    5