The girl in black is my sister.对in black提问
问题描述：
The girl in black is my sister.对in black提问
答
Which girl is your sister?The girl in black is my sister.对in black提问答：——（此处填两个单词）is your sister（我觉得是对服装提问吧）介词短语in black修饰the girl, 要求介词短语后置，意思：那个穿着黑衣服的女孩。并非你所述的对服装提问。