Read the following leaflet and mark the letter A, B, C or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 16 to 21.

Join Earth Hour - Make a Difference!
Why participate in?
Each year, Earth Hour encourages people worldwide to turn off their lights for one hour, helping (16) _______ positive environmental changes. This movement shows how the (17) _______ of people acting together can make a huge impact.(18) _______ rising pollution and energy consumption, Earth Hour reminds us to consider our power usage and how it affects the planet.
What can you do?
By turning off non-essential lights, we help reduce emissions and protect (19) _______ natural resources that support our environment. In this event, we transmit a strong (20) _______ of unity and responsibility to future generations.
Get involved today!
Join us on this journey; every small action counts. Your (21) _______ to this movement is valid, meaningful, and impactful. Together, let’s show that we care about a sustainable future. Be a part of Earth Hour – your actions matter!