Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
Although no country has exactly the same folk music as those of any other, it is significant that similar songs exist among widely separated people
A. no country
B. as those
C. exist
D. widely
Đáp án B Đối tượng được so sánh ở đây là “folk music” – danh từ số ít -> dùng “as that” thay vì “as those”