It was several minutes ____we realized what was happening-our dog was trapped in a newly-dug tu...
Itwasseveralminutes____werealizedwhatwashappening-ourdogwastrappedinanewly-dugtunnel....
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
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| B |
| 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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