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标题:
一篇满分作文的一句话我看不懂
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作者:
martin陆
时间:
2013-8-4 20:12:10
标题:
一篇满分作文的一句话我看不懂
Each of these common occurrences could have been inconceivable at the turn of the 19th century. Occurrences 指代一些科学技术。问题是我不明白为什么要用could have been,是不是虚拟语气啊?虚拟语气是表达主观假想或与事实相反的东西的吧?这里是事实,所以我觉得应该were ==>could have been, 对吗?求解释,谢谢。 另外想问下大家都用什么资料来复习GRE作文呢?
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