----- Nội dung ảnh ----- Task 4. Choose the underlined word or phrase, A, B, C or D that needs correcting. 1. I cycle or walk to school every day instead of let my father drive me there. ___ 2. An ecosystem in Con Dao National Park is diverse with thousands of species. ___ 3. Many factories and hospitals are dumping toxic substances into rivers and lake. ___ 4. Before we reduce the use of single-use products, we help protect the environment. ___ 5. Wildlife habitats cannot be saved until we stop cutting down trees while burning forests. ___ 6. If you saw litter on the street, pick it up and throw it in a rubbish bin. ___ 7. Natural disasters cause usually serious damage to our property and the environment. ___ 8. Earth Day is a day when many people gather to plant trees and cleaning up parks. ___ 9. Habitats of dangerous animals are damaged by human activities. ___ 10. Con Dao National Park is rich animal species and is important for their preservation. ___ 11. Saving natural resources is of great important to every country. ___ 12. I’ll go to supermarket after my mother will come home. ___ 13. I am going to speak with the boss when the meeting end ___ 14. Peter realized he had forgotten to knock on the door before he had left school. ___ 15. Before leaving, you should turn on the light to save energy. ___