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标题: OG13 30 [打印本页]

作者: 绝望的小老鼠 时间: 2013-4-28 14:28
标题: OG13 30
Paleontologists believe that fragments of a primate
jawbone unearthed in Burma and estimated at 40 to
44 million years old provide evidence of a crucial step
along the evolutionary paththat led to human beings.

(A) at 40to 44million years old provide evidence of
(B) as being 40to 44million years old provides
evidence of
(C) that it is 40 to 44million years old provides
evidence of whatwas
(D) to be 40 to 44million years old provide
evidence of
(E) as 40to 44million years old provides evidence
of whatwas

OA: E
为什么C项中的that it is 不符合语法规则？---- LZ表示对OG里的 “this is ungrammartical” 比较头痛。

作者: enkyklios 时间: 2013-4-28 17:46
这问题问的

作者: 绝望的小老鼠 时间: 2013-4-28 17:47
不好意思~~

我也觉得还有点没上道啊~~ 你在复习OG语法吗？给个建议呗~~

作者: quoxo 时间: 2013-4-28 21:37
estimate to be,应该是固定用法吧

作者: 绝望的小老鼠 时间: 2013-4-28 22:18

quoxo 发表于 2013-4-28 21:37
estimate to be,应该是固定用法吧

谢谢你~~

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