老师您好,请问Tom is my closest friend at school _______ always helps me with my study.此句横线上可以填who吗?还是必须填that?
老师您好,请问Tom is my closest friend at school _______ always helps me with my study.此句横线上可以填who吗?还是必须填that?
【答】如果定语从句所修饰的先行词有形容词性物主代词作定语,就应该用非限制性定语从句。 my 是形容词性物主代词, friend 是先行词,所以,应该用 who 引导一个非限制性定语从句,而且在 who 的前面使用逗号:
Tom is my closest friend at school, who always helps me with my study.