(2009·上海高考)David threatened his neighbour to the police if the damages were not paid.
A. to be reported
B. reporting
C. to report
D. having reported
网友回答
A. to be reported
B. reporting
(答案→)C. to report
D. having reported
解析：选C 句意：大卫威胁说如果不赔偿损失，他将向警署告发他的邻居。threaten to do sth.“威胁做某事”。