摘要： Her sister has become a lawyer. she wanted to be. A.who B.that C.what D.which 答案 D 解析 此题考查的是非限制性定语从句的用法.先行词为前面主句的整个内容.who指代人,that不能引导非 限制性定语从句,what只能引导名词性从句.

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