Bythetimethefiremenarrived,thebig

发布时间：2020-07-26 22:51:51

By the time the firemen arrived, the big fire ________.A.had put outB.had been put outC.had put offD.had been put off

网友回答

B解析过去完成时的被动语态put out“扑灭，使……停止燃烧”；put off“推迟，拖延”。
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