| Front | "Meanwhile, the problem of t... w... remains." |
|---|---|
| Back | "Meanwhile, the problem of toxic waste remains." |
| Unit Number | 31 |
| Unit Subject | The environment |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Expert recently warned risks great decade avoid global
Previous card: Waste household materials substances extremely authorities long-term solutions
Up to card list: Cambridge English Collocations In Use- Advanced