Dirt roads may evoke the bucolic simplicity of another century, but financially strained townships point out that dirt roads cost twice as much to maintain as paved roads do.
语法 Sentence Correction-437
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正确的用户笔记
tina2015 2015-09-15 10:50:20
dirt roads cost twice as much to maintain as paved roads do (=cost to maintain).
托福必胜！！！ 2016-05-30 12:25:18
结构平行 cost & do
托福必胜！！！ 2016-05-30 12:25:18
结构平行 cost & do
lulululooks 2018-03-18 10:55:48
"dirt roads" vs "paved roads" --> parallel "do" --> can stand in for "to maintain"
igmat800 2016-11-26 15:41:17
dirt roads 与paved roads 比较，to maintain在后面的比较重省略
tomaghost 2016-06-13 18:36:33
dirt roads cost twice as much to maintain as paved roads do (=cost to maintain).
xx2312345X 2016-05-20 22:51:50
B和C要从句意上去比较 C变成了（维修泥巴路）比较的话只能是（维修铺装路），维修有种adj的感觉
huhuhudandan 2015-11-05 11:12:52
结构平行 cost&do
juno 2015-03-17 00:22:52
结构平行 cost & do
