◎ 题干
Her house _____ at 6 o’clock this morning and it _____ for about an hour.
[     ]
A. was on fire; caught fire              
B. caught fire; was on fire
C. had caught fire; had been on fire    
D. caught a fire; was on fire
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Her house _____ at 6 o’clock this morning and it _____ for about an hour.[ ]A. was on fire; caught fireB. caught fire; was on fire C. had caught fire; ha…”主要考查了你对  【一般过去时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。