---who called your sister just now ? ---l do not know ,but it was a girl's(_)

---who called your sister just now ? ---l do not know ,but it was a girl's(_) Who s your father Who's your who's your best friend? Who s your math teacher? Who's your math teacher? who`s your favourite teacher Who's your favourite teacher? who's your favorite friend Who’s your heroine中文 who’s your mother’s hero?who’s your mother’s hero?怎么回答? Who's this____ ?Is he your father? Who's your English teacher? 是什么意思? who's your art teacher?怎么答 who's your daddy魔兽世界的秘籍? Who's your superman什么意思 who's your english teacher at school? 英语翻译.i wonder why it is.it's only being called by your namebut depending on who says it,the way you hear it differs greatlylike i could tell yousometing like that.