Lily's twin sister appears happy?

Lily's twin sister appears happy? Lily and her twin sister Liz are the+girl什么（call）lucy+is+lily's+twin+sister Lucy likes English, _____ her twin sister Lily likes Chinese When was Lily and she twin sister born? Lily doesn’t look so happy as her sister Rose.No ,she’s ____ Twins sister和Twin sisters有什么区别,什么时候用Twins sister,什么时候用Twin s A and B are twin sister.twin和sister要加s吗? lily likes what her twin sister likes/does 应用 likes 还是does i'm Lily.() twin sister is Lucy.()is english.()friends are L —Lucy,is Lily your twin sister?—Yes,and l'm thirty minyt Lily isn't a cashier,her twin sister isn't a cashier,e______