CHỌN ĐÁP ÁN ĐÚNG NHẤT
24. I couldn’t cut the grass because the lawn mower ______ a few days previously.
A. broke down
B. has been broken
C. had broken down
D. breaks down
24. I couldn’t cut the grass because the lawn mower ______ a few days previously.
A. broke down
B. has been broken
C. had broken down
D. breaks down