a. Finally, because they get regular feedback on their work, they know how they're doing and what they need to improve.

b. The biggest plus is that students can access course materials at any time, so they can learn when it's most convenient for them.

c. Blended learning is a mix of online and traditional classroom teaching.

d. It's used in many schools and universities because it has some real advantages.

e. In addition, they not only have support from teachers, but also have a lot of flexible options.

Read the following advertisements/announcements 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 10 to 12.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Read the following passage 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 24 to 28.

a. In the future, most of the world's population will be city dwellers.

b. Urbanisation is the process of increasing the number of people living in cities.

c. This is because urbanisation continues to transform the global landscape.

d. It began in ancient times but has only been happening on a large scale for about 200 years.

e. During the 20th century, the world's city dwellers grew from about 220 million to over 2 billion.