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精英家教網 > 初中英語 > 題目詳情

By the time the firemen arrived, the big fire ________.

[  ]

A. had put out

B. had been put out

C. had put off

D. had been put off

答案:B
提示:

過去完成時的被動語態。put out“撲滅,使……停止燃燒”;put off“推遲,拖延”。


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