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. Online classes have been the best possible solution for educational institutions as well as students during the pandemiC. Online education or online classes were not a new concept, but online classes prominence was seen only (18) __ The online class provides a flexible and quick learning option. Its adaptability and efficiency (19) __ during the pandemic's early days . It lowers the distance between learning locations. There are a lot of advantages as well as disadvantages to online classes. It is a versatile method of . learning which helps connect with people from various parts of the globe, (20 ) __ Students were given their comfort zone to study, (21) __ It reduced a lot of paperwork, ultimately saving mother earth . Many ren renowned institutions have changed (22) __ to online methods because it made education more accessible. There are also a few disadvantages like, as a lot of students misuse these benefits and get (23) __ But it all depends on the individual and if they want to make their career bright . Therefore, it is essential to know the limitations of everything. Question 18. A. when the pandemic B. while the pandemic C. in the pandemic D. during the pandemic A. made them more popular B. made more popular C. made it more popular D. made them more popularly Question 20. A. which was not possible in offline classes B. that was not possible in offline classes C. this was not possible in offline classes D. it was not possible in offline classes Question 21. A. resulting in better performance and productivity B. resulting from better performance and productivity C. results in better performance and productivity D. resulted from better performance and productivity A. their learning methods B. its learning methods