He returned to his country after the war was (结束).
A. in the end B. at an end
C. to the end D. till the end
The of the killer is still unknown, which is why the citizens here are rather worried.
A. identity B. quality
C. equality D. facility
The of this illness in the area is of concern to all doctors.
A. fluency B. frequency
C. determination D. guidance
The audience into laughter when the clown took a fall.
A. burst B. brush
C. breathe D. bend
There is sometimes no way to from brain injury.
A. release B. rescue
C. ruin D. recover
The matter has not yet been satisfactorily .
A. suffered B. spellbound
C. switched D. settled