You will sooner or later if you keep working like that.
A. break off
B. break down
C. break into
D. break out
网友回答
A. break off
(答案→)B. break down
C. break into
D. break out
解析：这题考查词组辨析：break off折断，break down崩溃，break into闯入， break out爆发，句意是：如果你一直这么工作的话你迟早会垮掉。选B。