Read the text and choose the correct answer.
Saving electricity is important for both your wallet and the environment. Small changes can add up to significant (14) ________ over time. One easy way to save electricity is by turning off lights and (15) ________ when they are not in use. Another way is by using energy-efficient appliances with the ENERGY STAR label. These use less energy and can save you money on your energy (16) ________. Changing your thermostat can also help (17) ________ heating and cooling costs. In the winter, set it to 68 degrees Fahrenheit or lower; in the summer, set it to 78 degrees Fahrenheit or higher. Lastly, consider installing LED light bulbs, which use up to 75% less energy and last longer. (18) ________ they may cost more upfront, they will save you money over time. By making these simple changes, you can save electricity and reduce your environmental (19) ________.
