Mark the letter A, B, C or B on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
The marathon runner (A) has been running for (B) almost two hours when he collapsed (C) to (D) the pavement.
A. has been running
B. almost
C. to
D. the
Đáp Án A.
Has been running => had been running
Dịch câu: Vận động viên chạy marathon đã chạy gần hai tiếng đồng hồ thì anh ngã xuống vỉa hè.