this is lily this is tom.───are from the U .S.A.

Lily,is this book()? I t___ this bag is Lily's. Lily,is this notebook ( 填上什么? 用this is lily's skirt中的lily's提问 this is (Lily) book Lily 用加's This is Lily is sister.H( )ruler is blue. The desk is Lucy and Lily's.{Lucy and Lily's画线} —— is this? This is LIly's yellow skirt.(就划线部分提问) 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 --Bruce,this is Lily.--Hello,there.请问这里的there In this photo,Lily is behind Mike.同义句, This book is Lily?改错 小学四年级 急~~~~~~~~~~~~~~ Look at this picture.this is my sister,Lily.___who is that girl? This is Lucy and this is Lily.(用or改为选择疑问句) 怎样把陈述句：This is Lucy and this is Lily.用or改为选择疑问句LI this is lily this is tom.───are from the U .S.A.