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标题: gwd-4-17 [打印本页]

作者: anistonlucky 时间: 2009-8-17 23:14
标题: gwd-4-17

GWD6-Q17:

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

What’s wrong with B?

作者: overthere33 时间: 2009-8-18 04:14
由于原文中出现between 1876 and 1904 所以B have led 错

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