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    17．We have eight managers in our company，and five of ______ are in their twenties．（　　）
    A．themB．whomC．whoD．which

    分析 我们公司有八名经理，其有五位二十几岁．

    解答 答案：A     句中有并列连词and，连接两个并列句，而非从句．故排除B，C，D．选A．

    点评 注意区别并列连词和关系词以及并列句与主从句的区分．

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