These days it is impossible to open a newspaper without reading about the (17)¬¬¬¬¬¬¬¬¬¬¬¬ .……………. we are doing to the environment. The earth is being

These days it is impossible to open a newspaper without reading about the (17)¬¬¬¬¬¬¬¬¬¬¬¬ .……………. we are doing to the environment. The earth is being (18) .……………. and the future looks bad. What can each of us do? We cannot clean up our (19) .……………. rivers and sea overnight. Nor can we stop the (20) .……………. of plans and animals. But we can step adding to the problem while scientists (21) .……………. the answer. It may not be easy to change your lifestyle completely but some steps are easy to take: (22) .……………. the amount of driving you do, or use as little plastic as possible. It is also easy to save energy, which also reduces household bills. We must all (23) .……………. a person decision to work for the future of our planet (24) .……………. we want to ensure a better world for our grandchildren.
17. A. death B. damage C. destruction D. ruin
18. A. threatened B. died C. loved D. occupied
19. A. poisoned B. polluted C. poisonous D. polluting
20. A. harm B. appearance C. disappearance D. ruin
21. A. look for B. look into C. look up D. look after
22. A. cut off B. cut up C. cut into D. cut down
23. A. get B. come C. give D. make
24. A. if B. whether C. when D. while