While building a tunnel through the mountain, .
A. an underground lake was discovered
B. there was an underground lake discovered
C. a lake was discovered underground
D. the workers discovered an underground lake
While building a tunnel through the mountain, .A. an underground lake was discoveredB. th
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解决时间 2021-01-03 06:58
- 提问者网友：半生酒醒
- 2021-01-03 02:48
最佳答案
- 五星知识达人网友：十鸦
- 2021-01-03 03:19
A. an underground lake was discoveredB. there was an underground lake discoveredC. a lake was discovered underground(答案→)D. the workers discovered an underground lake解析：从句省略=While the workers were building…，主从句中主语一致时省略从句中的主语和were．
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- 1楼网友：撞了怀
- 2021-01-03 04:37
这下我知道了
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