This bike is Lily"s.That bike isLucy"s.They are Lily and Lucy"s写得对吗

This bike is Lilys,This bike isLucys.They are Lily and Lucys写得对吗详细说明 This bike is Lilys.That bike isLucys.They are Lily and Lucys写得对吗 This bike is Lilys.That bike isLucys.They are Lily and Lucys写得对吗应该怎么写, bike is lily's.对括号里提问,< >bike is lily's? 用this is lily's skirt中的lily's提问 this is (Lily) book Lily 用加's I t___ this bag is Lily's. Amy's bike is red.Lily'bike is red ,too改写同义句Amy's bike is the_____ ______ ______ Lily's. （）is this bike It’s （）. This is Lily's and lucy's mother.纠错 this is lily`s and lucy`s room 改错 This bedroom is Lucy's and Lily's 改错 The desk is Lucy and Lily's.{Lucy and Lily's画线} —— is this? Lily,is this book()? This pair of shoes is Lily's.(Lily's划线部分提问) This piar of shoes is Lily*s.对划线部分提问：Lily*s This is Tom's Bike.(对 Tom's 提问） This is LIly's yellow skirt.(就划线部分提问)