og12-27 新問題

Kath1985 · 发表于 2011-9-25 19:37:52

27.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

fragments复数名词，谓语复数

(C)that it is 40 to 44 million years old provides evidence of what was

it 指代誰? 若指fragments, 則fragment不等於40..years old

estimated=being estimated

that句有兩個動詞

(D) to be 40 to 44 million years old provide evidence of

(E) as 40 to 44 million years old provides evidence of what was

fragments复数名词，谓语复数

答案D
請問CE中的句型 evidcence of what was~ 文法有錯嗎?

Kath1985 · 发表于 2011-9-26 22:45:35

求解中

qiuhua01234567 · 发表于 2012-3-2 15:12:32

顶起。。。C中说ungrammatical,不对啊

og12-27 新問題

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