OG sc 98

jaze · 发表于 2011-7-28 17:01:15

98. Even though Clovis points, spear points with longitudinal grooves chipped onto their faces, have been found all over North America, they are named for the New Mexico site where they were first discovered in 1932.
(A) Even though Clovis points, spear points with longitudinal grooves chipped onto their faces, have been found all over North America, they are named for the New Mexico site where they were fi rst discovered in 1932.
(B) Although named for the New Mexico site where first discovered in 1932, Clovis points are spear points of longitudinal grooves chipped onto their faces and have been found all over North America.
(C) Named for the New Mexico site where they have been first discovered in 1932, Clovis points, spear points of longitudinal grooves chip ed onto the faces, have been found all over North America.
(D) Spear points with longitudinal grooves that are chipped onto the faces, Clovis points, even though named for the New Mexico site where first discovered in 1932, but were found all ove North America.
(E) While Clovis points are spear points whose faces have longitudinal grooves chipped into them,
they have been found all over North America, and named for the New Mexico site where they have been fi rst discovered in 1932.

不明白OG上说的 Have been first discovered is the wrong tense, since the discovery is a discrete event completed in the past
那 have gone, 怎么对呢？
另外到底什么词能用完成时，什么词不能用，这一块是我的死角，老是弄不懂，希望大家帮帮忙啊

豆菲 · 发表于 2011-7-28 17:16:25

have been first discovered in 1932时态用错，in 1932是过去时间点，而且这个动作已完成，所以用过去时，

OG sc 98

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