（三）关系代词前带介词的定语从句

        1、Before her marriage, she spent a considerable time in that very part of Shanghai, _____ she belonged.

        A. which

        B. to where

        C. to which

        D. at which

        （答案：C。关系代词which和whom 还可以做“动词词组”后面的前置宾语。这里的动词词组是belong to。）（1998年56题）

        2、The United States is composed of fifty states, two of _____ are separated from the others by land or water.

        A. them

        B. that

        C. which

        D. those

        （答案：C）（2003年23题）