The fire was finally after the building had for two hours.
A. put off; caught fire
B. put away; been on fire
C. put out; been on fire
D. put out; caught fire
网友回答
A. put off; caught fire
B. put away; been on fire
(答案→)C. put out; been on fire
D. put out; caught fire
解析：考查固定词组。Put out扑灭；be on fire着火(表示状态)；catch fire着火（表示动作）；句意：在这座大楼着火两个小时以后，这场大火终于被扑灭了。第二空句子后有for two hours，这是一个表示一段时间的短语，说明句中应该使用延续性动词。故使用be on fire。根据句意说明C正确。