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GWD28
28-20: In the 1820’s, anthracite coalfields opened in eastern Pennsylvania, and when canals and eventually railroads reached into the region, there were substantial supplies of coal that was exported to the nation’s growing mills, forges, factories, and railways.
A: when canals and eventually railroads reached into the region, there were substantial supplies of coal that was
B: once canals and eventually railroads reaching into the region, there were substantial supplies of coal having been
C: with canals and eventually railroads reaching into the region, there had been substantial supplies of coal
D: canals and eventually railroads reached into the region, with substantial supplies of coal being
E: as canals and eventually railroads reached into the region, substantial supplies of coal were
这个A哪里不对?
答案是比出来的,A和E比,when不如as,as表示“随着”,在这里意思最好,there were substantial supplies of coal that was不如substantial supplies of coal were简洁且意思表达清楚,that从句更应该修饰supplies,所以was错
====我还是觉得E比A好点,E的substantial supplies of coal were 以及A的substantial supplies of coal that was 供应怎么能出口?媒才出口的啊。虽然一斑竹说E的是指supplies的东西,但是这supplies of coal 是个词组,中心词还是supplies啊!!!
when不如as,as表示“随着”,在这里意思最好====有例子证明一下吗.as 比when 好?而且这里应该是指当...时候才好,而且as也有当...时候的意思, |