问题补充:
The couple had quarreled all time before they their engagement
A. broke down
B. broke through
C. broke off
D. broke out
答案:
A. broke down
B. broke through
(答案→)C. broke off
D. broke out
解析:
根据句意:这对夫妇在断绝他们夫妻关系之前,老是吵个不停。break down发生故障 break though 突破 break off断绝,中断 break out爆发故选C