Kiến thức về đại từ, từ “it” được sử dụng để thay thế cho 1 danh từ đứng trước.
Keyword:
Sheena Southall, a 22-year-old student, was keen to test her limit when she agreed to appear on a TV show. It has been described as one of the most fascinating shows in the world.
→ Đáp án C
