Read the following passage about green living and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 18 to 22.

Green living is a lifestyle choice that focuses on minimizing one's environmental impact. ___(1)___. By making conscious choices in everyday life, individuals can contribute to a more sustainable future.
One of the most effective ways to practice green living is to reduce energy consumption. ___(2)___. By turning off lights, unplugging electronics, and using energy-efficient appliances, individuals can significantly reduce their carbon footprint.
Another essential aspect of green living is water conservation. ___(3)___. By fixing leaks, taking shorter showers, and watering plants efficiently, individuals can help conserve water resources.
Additionally, reducing waste is a crucial component of green living. ___(4)___. By reducing, reusing, and recycling, individuals can minimize their contribution to landfills.
Finally, green living involves making conscious choices about transportation. ___(5)___. By opting for public transportation, biking, or walking, individuals can reduce their reliance on cars and decrease air pollution.