Read the following passage about gender equality 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

The Internet has truly transformed ___(1)___. While homework today still means spending time in the library, it’s for a different reason. Rather than using books for research, students today can get ___(2)___ to download enormous amounts of data available online. In the past, students were limited to their school’s selection of books. In many cases, they got to the school library and found ___(3)___ they needed. Nowadays, such inconvenience can be avoided since the Internet never runs out of information. Students, ___(4)___ the information they find online is true. Teachers have also benefited from the homework which is done on the Internet. They do not need to carry students’ papers around with them anymore. This is because online materials allow ___(5)___. Of course, this also means that students can no longer use the excuse that the dog ate their homework!