A fire broke out in the neighborhood last night. By the time the firemen arrived, it 　　　. 

A fire broke out last night, _______ three children and two adults.

A. killed          B. killing              C. kill              D. to kill

A fire broke out in the neighborhood last night. By the time the firemen arrived, it 　　　. 

A．had been put out                       B．would put out

C．has been put out                        D．was putting out

A fire broke out last night, ____ three children and two adults.

A fire broke out last night, ____ three children and two adults.

1. A.
   killed
2. B.
   killing
3. C.
   kill
4. D.
   to kill