----- Nội dung ảnh ----- Practice 1: Fill each gap with one word/phrase given
1. .....is a serious problem everywhere. 2. We should avoid dumping waste into lakes and rivers to.....water pollution. 3. We shouldn't throw away.....products but recycle them. 4. .....is the amount of carbon dioxide we release into the environment. 5. We hope a lot more people join our..... 6. People in my neighborhood are doing a lot to save..... 7. This National Park provides a rich.....for marine life. 8. Forests help release oxygen and absorb.....; they also provide homes for many species. 9. .....is a serious environmental concern as it harms natural habitats. 10. An.....may be a whole forest, or a small pond, and it can be of any size.