In the       of proof , the police could not take action against the man .
#7562
A
lack
B
shortage
C
absence
D
failure
推荐题目
He asked Mary whether she had passed the exam ________.
#6452
A
yesterday
B
the day before
C
the day ago
D
before the day
The new safety regulations were agreed on after _____ with the work-force.
#6919
A
conference
B
participation
C
intervention
D
consultation