问题
选择题
Julie was good at German, French and Russian, all of ____ she spoke fluently.
A．who
B．whom
C．which
D．that
答案
答案：C
本题考查定语从句中复合关系代词的用法。介词后只能使用的关系代词是which, who, whose, 因为句子中关系词指代是语言，故选C；
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