This is your sister That is my

This is your sister That is my Is this your sister This is my sister a什么that is my brother? Is that ( ) your sister that is my sister 连词成句（英语）：1.is This dress my.2.your that Is sister?3.under ba Is this your sister?英语语法 Is this your sister是什么意思 Is this your sister?与Is she your sister?区别 This is my pencil ,and that is your.改病句 Look at this picture.this is my sister,Lily.___who is that g this is my sister还是she is my sister