Recent findings lend strong support to the theory that a black hole lies at the center of the Milky Way and of many of the 100 billion other galaxies estimated to exist in the universe.
A. that a black hole lies at the center of the Milky Way and of
B. that a black hole lies at the Milky Way’s center and
C. that there is a black hole lying at the milky Way’s center and
D. of a black hole lying at the Milky Way’s center and
E. of a black hole that lies at the center of the Milky Way and of
看了以前的帖子 不清楚B C 错在哪 是不是many指代单数的center错误 there is 应该没有问题 另外A's and C of D 这个结构应该是平行的吧作者: clairesslc 时间: 2011-4-1 06:56
不好意思 下划线没显示 划线部分是 that a black hole lies at the center of the Milky Way and of作者: arthurman 时间: 2011-4-1 19:54
of the Milky Way 和 of the 100 billion other galaxies 应该都是修饰center的所以B和C就不可以啦~
我觉得A's and C of D 这个平行是不对的...
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