Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 26 to 30.

The concept of traditional education has changed radically within the last couple of years. Nowadays, we are entering a new era — the revolution of online education. The structure of an online classroom  (41)___________. Generally, online students log into a learning management system where they can view the syllabus and grades, contact professors as well as classmates, access course  (42)___________ (textbooks, lecture notes, quizzes, etc.) and monitor their progress on lessons. Some online courses may also require participation  (43)___________ discussion through videoconferencing platforms such as Zoom. There are many advantages of online learning. The biggest one is that it offers flexibility for students. Although they have to meet deadlines, they can complete coursework on their own time and especially at their own (44)___________. Besides, there’s no need to commune from one place to another. The virtual classroom is available anywhere there’s an Internet connection. Online education also provides students with the chance to learn with the whole world. The class is no longer confined to a  (45)___________ classroom with walls. People from different parts of the world can join to discuss and share knowledge. This constant cross-cultural exchange helps students gain different perspectives and develop skills that will serve them well in their future careers.

The structure of an online classroom (41)___________.