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标题: 请教大全23? [打印本页]

作者: wycg 时间: 2006-1-13 10:16
标题: 请教大全23?

A huge flying reptile that died out with the dinosaurs some 65 million years ago, the Quetzalcoatlus had a wingspan of 36 feet, believed to be the largest flying creature the world has ever seen.

(A) believed to be

(B) and that is believed to be

(D) which was, it is believed,（C）

(E) which is believed to be

那位NN帮看一下,A和C,为什么不选A呢?

谢谢!

作者: carolhide 时间: 2006-1-13 11:26
A中 believe的主语不明确

作者: wycg 时间: 2006-1-13 11:57

谢谢NN. 绕过来拉.

作者: xyredpoppy 时间: 2009-8-1 16:30

顶起这张贴....

那么....不知道用to have been是根据什么？

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