【题目】It was several minutes ________ we realized what was happening—our dog was trapped in a newly－dug tunnel.
A. since B. before C. until D. While
在线课程【答案】B
【解析】
试题分析：句意：过了几分钟我们才意识到发生了什么—我们的狗被新挖的隧道困住了。这里使用了句型：It was+一段时间+before…，“要多久…才/就…”,所以选B。
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It was several minutes we realized what was happening-our dog was trapped in a newly-dug tunnel.A. s
编辑：chaxungu时间：2026-04-27 02:47:50分类：高中英语题库
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