this is lily`s and lucy`s room 改错

The desk is Lucy and Lily's.{Lucy and Lily's画线} —— is this? 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 This room is ___ .A.Lucy and Lily B.Lucy's and Lily C.Lucy's and Lily's D.Lucy and Lily's 语法说明 This is ( ) father,Mr.Smith.A.Lucy and Lily B,Lucy's and Lily's C.Lucy and Lily's D.Lucy's and Lily This bike is Lilys,This bike isLucys.They are Lily and Lucys写得对吗详细说明 英语选择题This bedroom isn't ( )and ( )is on the second floor.A.Lucy and Lily's,theirsB.Lucy's and Lily's,theirsC.Lucy and Lily's,theirD.Lucy's and Lily's,their This bike is Lilys.That bike isLucys.They are Lily and Lucys写得对吗 用this is lily's skirt中的lily's提问 This is ( )bedroom .The twin sisters like it very much.A.lucy and Lily's B.Lucy's and Lily's C.Lucy's and Lily D.Luly and Lily.单项填空.请说明为什么. 根据首字母填单词(打了省略号的才填)Do you know Lucy a. Lily?They are twin s.They l.the same This is t.bedroom.It's a nice room There a. two beds,two desks in the room This bed is Lily's and t. one is Lily'sTheir books ang p. are o. th this is (Lily) book Lily 用加's I t___ this bag is Lily's. This is ---LUCY and Lily's---- room（对画线部分提问） This bike is Lilys.That bike isLucys.They are Lily and Lucys写得对吗应该怎么写, 选择.Look at this nice room.It is __?A.Lily and Lucy B.Lily's and Lucy 's C.Lily and Lucy 's 选什么?是不是c,为什么? my seat is between ______ in the classroomA lucy and lily B lucy's and lily C lucy and lily's D lucy's and lily