45. By the mid-twentieth century, United States presidential staffs, _________ had numbered fewer than ten a century earlier, numbered in the hundreds.
以下是引用bootcat在2004-1-5 15:22:00的发言: 45. By the mid-twentieth century, United States presidential staffs, _________ had numbered fewer than ten a century earlier, numbered in the hundreds.
hehe, 偶觉得楼上的都对,非限制性定语从句来讲,which主要指代事物、动物甚至可以是指代前面整个句子,但好像托福里面指代句子的考法极其少见,只有在GMAT的SC里面才有。偶觉得,除非是特别指出是人,主格宾格的,用which挺多的,况且选项中没有指代人的关系代词who。所以就事论事的话只能选which。 关于楼上的 They rely on themselves, which is much better. 这句,确实是指代前面整个句子,否则which后面也得用谓语动词复数形式