题目内容：

go out put out
After the fire ( ),they found that two persons had died.
选 put out 还是 go out
它到底是人为熄灭还是自然熄灭
假如是人为的 应该是 After the fire was put out

优质解答

go out熄灭 vi.不及物
put...out扑灭 vt.(主语应当是动作的发出者:人,后接宾语：火)
变被动形式After the fire was put out 是正确的
本题有主语无宾语 应填go out