摘要： While building a tunnel through the mountain, . A. an underground lake was discovered B. workers discovered an underground lake C. there was an underground lake discovered D. a lake was discovered underground
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While building a tunnel through the mountain, _____.
A. an underground lake was discovered B. workers discovered an underground lake
C. there was an underground lake discovered D. a lake was discovered underground
查看习题详情和答案>>While building a tunnel through the mountain, _____.
A. an underground lake was discovered
B. workers discovered an underground lake
C. there was an underground lake discovered
D. a lake was discovered underground
查看习题详情和答案>>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
查看习题详情和答案>>