Is she your sister?用Yes,she is.回答.那用Yes,it is.回答可不可以?

She is your sister sister,Lily IS she your sister,Lucy? Is this your sister?与Is she your sister?区别 she is your sister怎么排列 is sister she your 连词成句 Is she your sister?用Yes,she is.回答.那用Yes,it is.回答可不可以? She is your sister 和Is she your sister哪个正确 Is she your father's sister,your( )Alice? 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? Where is your sister?She is at home. ---Where is your sister?---She is photos in the garden? how old is your sister?she is 11 years old. what is your sister.像.she is slim Is this ( ) your sister,Linda?Yes,She is. is that your sister?is she your sister?yes,___ ___ yes,___ ___ Is this your sister 与Is she your sister?的区别 Yes,she is.She is my sister (上一句是什么) Is she your mother?(下一句是什么） Is she your sister?怎么变成复数形式