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题库 / Prep2007E1-SC-153
A recent United States Census Bureau report shows that there are more than three times as many households where the children and grandchildren are living in their grandparents' home as compared to households where the grandparents are living in their children's or grandchildren's home.
as compared to households where the
as there are households where the
as those whose
than compared to those where the
than there are whose
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household 为什么可以接where？where不是只能加实际地点吗？
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