想问一下大家一道困扰很久的语法题！！希望得到大家的帮助啦~~~！谢谢大家！

chase0810 · 发表于 2017-7-23 17:14:21

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 path that led
to human beings.
(A) at 40 to 44 million years old provide evidence of
(B) as being 40 to 44 million years old provides evidence of
(C) that it is 40 to 44 million years old provides evidence of what was
(D) to be 40 to 44 million years old provide evidence of
(E) as 40 to 44 million years old provides evidence

我想问的不是estimate的问题，而是想问为什么evidence后面需要有of呢？有of与没有of的用法一样吗？这一点一直没怎么弄明白，希望可以有大神来解答，非常感谢！！！！！！！！

fxxxfxxx · 发表于 2017-7-23 21:03:15

evidence只是一个名词啊，后面如果不接介词的话后面接什么结构呢

[Helr题库] 想问一下大家一道困扰很久的语法题！！希望得到大家的帮助啦~~~！谢谢大家！

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