关于定语从句的知识

题目

关于定语从句的知识
1.She is the only one of the girls in her class _____ plays the violin well.2.Sam is one of the boys ( ) from the UK.A,is B,are C,was D,will be 1.She is the only one of the girls in her class _____ plays the violin well.请问第一题的关系代词是什么,是the girls 如果不是为什么啊
另外这两个句子为什么从句谓语动词不一样呢

答案

1 填who ,关键是 the only one ,故谓语动词用单数plays
2 who are B 先行词是 boys ,故谓语动词用复数.
即,
1.She is the only one of the girls in her class （ who ) plays the violin well.
2.Sam is one of the boys ( who are ) from the UK.