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.
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.