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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. ___