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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. _____________