题目内容
6.She had two daughters,______ became doctors.( )A. | all of them | B. | all of whom | C. | both of them | D. | both of whom |
分析 她有两个女儿,两个女儿都成为了医生.
解答 答案:D 本题考核的是非限定性定语从句的用法,所以A、C项可首先排除,此外,由于all通常表示的是三个或三个以上的物,所以B项也可以排除.表示两者都,用both.所以本题选择D.
点评 分析先行词的修饰语,在从句中选择适当的指代的代词.

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