问题补充:
Our car on our way to school, so we had to walk there.
A. broke up
B. broke off
C. broke down
D. broke away
答案:
A. broke up
B. broke off
(答案→)C. broke down
D. broke away
解析:短语辨析。A关系破裂;破碎;解散;B停止,分离;C出故障,分解;D摆脱。句意:我们的汽车在半路上出了故障,所以我们不得不步行去那里。根据句意说明C正确。