Nowadays there is so much violence happening in school campuses, _______to parents’ great concern about children’s safety at school .
The policemen had no ______ in finding the knife that the murderer had thrown.
An athlete can’t play balls well without severe ______.
I ______ the time ______ so quickly.
______ terrible life the people in the mountains lived at that time!
Our teacher lives in a poorly decorated apartment, ______ the south.