We were playing near the lake______ the storm started.A．whileB．whenC．untilD．befo
题型：不详难度：来源：
We were playing near the lake______ the storm started.| A．while | B．when | C．until | D．before |
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答案
| B |
解析
试题分析：句意：我们在湖边玩的时候，这时风暴起来了。When可以和过去进行时连用，表示“过去正在发生某事…这时…，”while当…时候，表示“一段时间”，until“直到”，before“在…前面”，所以选B。 |
举一反三
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