题目

―Why does she always ask you for help?―There is no one else       , is there?       A．who to turn to     B．she can turn to     C．for whom to turn D．for her to turn 答案：B  解析：此题考查了定语从句的用法。由于定语从句所修饰的先行词是不定代词，关系代词应用that，而that在定语从句中又用作宾语，可以被省略。

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