用：your is sister tall ）这几个单词和标点连词成句!

用your sister at is school造句 She is your sister Is that ( ) your sister sister,Lily IS she your sister,Lucy? Is this your sister 答语为什么要用it is. Your sister is tall and thin.(划线部分用you代替划线部分是Your sister Is this your sister?与Is she your sister?区别 w_____ girl is your sister? w()girl is your sister Is that your sister?,回答 How tall is your sister? Is this your sister是什么意思 Who one is your sister? Is your sister good ( ) not ? your sister is coming是什么意思 where is your sister's sister's sister?的意思 Your sister is going back.(划线部分提问Your sister.) Is this your sister?英语语法Is this your sister?No,it isn't.Is that your brother?Yes,it is.为什么这里的“your sister”、“your brother”在回答时要用“it”代替?可以用“she”或“he”代替吗?