Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
We couldn't drive to Liverpool because our car___________
A. break down
B. breaks down
C. was breaking down
D. had broken down
We couldn't drive to Liverpool because our car___________
A. break down
B. breaks down
C. was breaking down
D. had broken down
Động từ break down được chia ở thì quá khứ hoàn thành để diễn tả hành động xe ô tô bị hỏng xảy ra trướC.
Đáp án D.