Is this ycur sister?用英语怎么说

Is this ycur sister?用英语怎么说 Is this your sister是什么意思 （this）is my sister Is this your sister?与Is she your sister?区别 This is my_______booksA.sister B.sisters C.sister's This is my sister.改为复数形式、 This is my sister(变为复数句) IS this your sister?(改为复数句) Is this your sister?的答语是? is this your sister的答语是 Is this your sister?否定回答RT This is my sister.(改为一般疑问句) oh,jane,this,is,my,sister,kate. This is his sister改为复数句 是this is my sister kate吗 she is b her sister this evening. this is not my sister 缩写 This is for my sister是什么意思