this is kate,whose sister you met yesterday.为什么在sister前不能加wh

this is kate,whose sister you met yesterday.为什么在sister前不能加wh this is kate,whose sister you met yesterday.为什么在sister后不能加wh 是this is my sister kate吗 oh,jane,this,is,my,sister,kate. This is my sister Kate.改为一般疑问句 填空：Kate is ----(Jim)sister! kate is jim*S sister ( )sister is kate she is tom is sister 为什么不能说Whose is this book? Is this your sister kate is slim .kate's sister is slimmer.合并成一句 kate's sister i The girl you m______ yesterday is my sister.