Is this your sister是什么意思

Is this your sister?的答语是? is this your sister的答语是 is this your sister 的肯定回答是?is this your sister 的肯定回答是? Is this your sister是什么意思 Is this your sister?与Is she your sister?区别 IS this your sister?(改为复数句) Is this your sister?否定回答RT Is this girl your sister?肯定回答是Yes,it is.还是Yes,she is. Is this your sister?的回答是yes,it is还是yes she is Is this your sister?的答语是Yes,it/she is. Is this your sister?可以这么回答吗?No,she isn't.但是课本上说的是：Is this your sister?No,it isn't. Is this your sister 答语为什么要用it is. Is this ( ) your sister,Linda?Yes,She is. Is this your sister 与Is she your sister?的区别 为什么Is this your brother?回答是yes,it is 不是yes he is.为什么Is this your brother?回答是yes,it is 不是yes he is. 而 Is this your sister? 回答是yes,shi is 疑问句转换陈述句This is my sister 转换成一般疑问句的形式是什么啊?This is your sister 转换成一般疑问句的形式又是怎样? This is your sister.改为复数形式急 IS this your sister?(改为复数句）