For about four cents an acre the United States acquired, in the Louisiana Purchase of 1803, 828,000 square miles, more than doubling the country's size and it brought its western border within reach of the Pacific Ocean.
语法 Sentence Correction-2567
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Zee5284 2016-10-05 05:08:08
(For about four cents an acre the） United States acquired, （in the Louisiana Purchase of 1803, 828,000 square miles,） more than doubling the country's size and it brought its western border within reach of the Pacific Ocean. 提取主谓US Acquired后面没有谓语 more than后面句子不是完整的主谓，根据句意double应该作为than后面的谓语，但是做了ing形式
停不下来的雕兄 2016-12-23 17:14:43
here are a couple of more serious problems that i see with that answer choice: * the repeated pronoun "it" is inappropriate if you have two actions, with the same subject, connected by "and". this is a rather arbitrary convention -- probably aimed at making sentences more readable while reducing redundancy -- but it's pretty firm: for example, "james drank a glass of water and took a nap" is considered a proper parallel structure while "james drink a glass of water and he took a nap" is not. in general, you don't use a second subject in such parallel structures, unless it's a different subject. * the parallelism exists between "it brought..." and "the united states acquired...". this parallelism is inappropriate, suggesting that both of these events occurred at a rate of four cents per acre (nonsense for "it brought..."). moreover, the elements that should be parallel (the forms of "double" and "bring") aren't parallel; this kind of "mistake by omission" is also a mistake.
katritina 2016-05-06 20:53:00
未划线的its 指代的美国，而划线的 it指代这件事，狗带
das123456 2016-12-14 19:18:19
, in the Louisiana Purchase of 1803, 雙向修飾
Cwowo 2016-10-23 13:49:03
and前后不平行 it找不到指代对象 主谓成分缺失
Crystal16 2016-10-22 03:45:16
主句无谓语
Crystal16 2016-10-22 03:45:15
主句无谓语
Zee5284 2016-10-05 05:41:07
？？？待分析
Zee5284 2016-10-05 05:15:47
提取主谓US Acquired ... more than doubling ... and it bought more than后面句子没有完整主谓
honeydew 2016-09-28 15:55:42
it 没有合理的指代对象
CelesteTOEFL 2016-09-20 11:40:37
夹心修饰，而且句子缺谓语动词。
