While building a tunnel through the mountain,______.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 un
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While building a tunnel through the mountain,______.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 un
While building a tunnel through the mountain,______.
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,______.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 un
D
这道题考的是主谓一致.
前面的句子主语是人,你发现了吗?只有人才可以BUILD A TUNNEL,所以后面的句子的主语要和前面句子的主语一致,才行.所以只有D是人作主语.
C,肯定不会错的,这是个非谓语句式.
选D,
因为做BUILD这个工作的主语应该是人(工人),所以后面的主语应该是THE WORKS 而不是THE LAKE
选D 从句while 后省略了主语和谓语( the workers were) 主句的成分必须要全。
选A
D