摘要：25．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
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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>>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
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B. there was an underground lake discovered
C. a lake was discovered underground
D. the workers discovered an underground lake
16. 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>>