单选题
_____ information provided by members of the public, the police would have a much more difficult job.无
A、
Supposing
B、
Provided the
C、
If it were not for
D、
On condition that
【正确答案】
C
【答案解析】
句意:如果不是公众提供了信息,警察的工作将会更加困难。本题考查虚拟语气,与现在情况相反,从句用一般过去时,因此本题的正确答案为C。
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