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标题: PP3_1*237 [打印本页]

作者: redhat158 时间: 2010-1-6 11:48
标题: PP3_1*237
我想問說d選項中有there were;是否因為是there were 比較不好? ( 我觀察似乎題目中沒有there were 在選項中有的話這個選項比較少? (本題答案是A)

Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve metropolitan Boston.

A. Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve

B. Concerns about public health have led to the construction of three separate sewer systems between 1876 and 1904 to serve

C. Concerns about public health have led between 1876 and 1904 to the construction of three separate sewer systems for serving

D. There were concerns about public health leading to the construction between 1876 and 1904 of three separate sewer systems serving

E. There were concerns leading between 1876 and 1904 to the construction of three separate sewer systems for serving

作者: 栖叶泠风 时间: 2010-1-6 11:52
there be句式在Gmat中十个有9个是错的~~A的表达很简洁啊

作者: redhat158 时间: 2010-1-6 23:30
有道理感謝

作者: tizen 时间: 2010-1-6 23:53
there be 多指自然存在的事物，排除d e 。然后b、c两个选项中时态变成了现在完成时。故而选a

作者: ARCHER420 时间: 2010-1-7 06:08
there be出現基本可以pass

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