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.
A recent research shows that walking (A) for even (B) twenty minutes a day (C) can have significance (D) health benefits.
A. walking
B. even
C. a day
D. significance
Đáp án D
Sửa: significance => significant
Cần dùng tính từ bổ nghĩa cho danh từ benefits.