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题库 / OG2017V-SC-299
Once numbering in the millions worldwide, it is estimated that the wolf has declined to 200,000 in 57 countries, some 11,000 of them to be found in the lower 48 United States and Alaska.
it is estimated that the wolf has declined to 200,000 in 57 countries, some
the wolf is estimated to have declined to 200,000 in 57 countries, with approximately
the wolf has declined to an estimate of 200,000 in 57 countries, some
wolves have declined to an estimate of 200,000 in 57 countries, with approximately
wolves have declined to an estimated 200,000 in 57 countries, some
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请问一下后面的some XX of them前面没有加逗号，是做独立主格吗？
不是，独立主格的主语要跟主句的主语不同，这里应该是同位语。
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