问题补充：
.Nobody knew when the fire , but they knew it the next morning.
A. broke out; was put out
B. was broken out; was put out
C. broke out; put out
D. was broken out ; wwent out
答案：
(答案→)A. broke out; was put out
B. was broken out; was put out
C. broke out; put out
D. was broken out ; wwent out
解析：考查短语：break out 指战争，火灾的发生，没有被动语态，put out 扑灭，是及物动词短语，有被动语态，句意：没有人知道大火是什么时候发生的，但是他们知道第二天早晨火被扑灭了。故选A。
