These days it is possible to open a newspaper with reading about the (23) ____ we are doing to the environment. The Earth is being threatened and the future looks bad. What can each of us do? We cannot clean (24) _____ our polluted rivers and seas overnight, nor can we stop the (25) ______ of plants and animals. But we can stop adding to the problem while scientists look for answers. It may not be easy to change your lifestyle (26) _____. But some steps are easy to take: cut down the amount of driving you do, or use as little plastic as possible. It is easy to save energy, which also (27) _______ household bills. We must all make a personal decision to work for the future of our planet if we want to ensure a (28) _______ world for our grandchildren. 23. A. damage B. benefit C. action D. program 24. A. to B. up C. on D. in 25. A. appear B. disappearance C. appearance D. disappear 26. A. complete B. to complete C. completely D. completeness 27. A. adds B. develops C. increases D. reduces 28. A. better B. good C. best D. well