SAT 语法题1.The discovery of geysers erupting from the floors o
2个回答
as they had previously thought（方式状语从句,as 不做成分：意为：像他们之前想的那样）；
basin that they used to think （that引导定语从句,但从句中并不缺少主语或宾语,故不成立）；
B.A structure large enough to be seen from outer space and created by workers moving massive stone blocks is China's Great Wall,( it) spans thousands of miles.（it 改which）；
C.created by workers moving massive stone blocks,China's Great Wall spans thousands of miles,（was created by workers moving masssive stone blocks.缺少主语）
E spanning thousands of miles and it is large enough to be seen from outer space,workers moved massive stone blocks to creat China's Great Wall.（逻辑主语成了 workers）
showcasing ...,分词短语,做伴随状况.
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