----Why are you late for school ?----Because our car halfway to the destination.A. broke

问题补充：

----Why are you late for school ?----Because our car halfway to the destination.

A. broke in

B. broke down

C. broke out

D. broke up

答案：

A. broke in

(答案→)B. broke down

C. broke out

D. broke up

解析：短语辨析。A闯入；B崩溃，抛锚；C爆发；D分解，关系破裂。句意：—为什么你会迟到？—因为我们的汽车在半路上抛锚了。故Ｂ正确。