Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word and phrase that best fits each of the numbered blanks.

Vietnam recently agreed to a plan called the Hydrogen Energy Strategy to make cleaner and more (44) ______ energy. With (45) ______ renewable resources like solar and offshore wind power, Vietnam wants to grow the green hydrogen industry. New progress in making hydrogen from seawater gives hope for more opportunities, especially for offshore wind power and hydrogen production. (46) ______ Vietnam mostly uses fossil fuels now, it wants to switch to cleaner hydrogen to meet the needs of things like transportation and big industries. Moreover, Vietnam’s good location means it can sell green hydrogen to other countries. This fits with the goals of the national hydrogen energy plan, (47) ______ aims to promote economic growth and sustainable development.
In addition to these efforts, it’s important for the government and businesses to work together to push forward the use of hydrogen energy. We also need to invest more in research to make green hydrogen technologies better and cheaper. Moreover, public awareness campaigns (48) ______ vital role in garnering support and participation in the transition towards sustainable energy practices.