THIS IS LUCY SPEAKING,ARE YOU HELEN?这句话哪里错了?应改成什么?

This is my friend Lucy.She_____in Londou The desk is Lucy and Lily's.{Lucy and Lily's画线} —— is this? Hello,may I ____ to Lucy?Yes,this is Lucy speaking.______ is that? --whose watch is this ?---【 】,回答为什么不能是this is lucy‘s 而是it is lucy’s,请解释,谢谢 Tom,this is M______ Black,Lucy's mother.如题. This is Lily's and lucy's mother.纠错 this is lily`s and lucy`s room 改错 This is Kate's and Lucy' room这句话对吗 This bedroom is Lucy's and Lily's 改错 This ruler is Lucy’s .Please give it to（）. This is my new friend Lucy 应该怎样回答? 英语一小题填空 Mary:Hello.__1___?Mary speaking here.Lucy:Hello,Mary.This is Lucy.Mary:Lucy, This T-shirt is Lucy’s对Lucy’s划线提问 是Look at this photo of lucy's还是Look at this photo of lucy?原题是—Look at this photo of ___!Is there a smile onher face?—Yes,and this photo is the best one of ___.A.Lucy's Lucy'sB.Lucy LucyC.Lucy's LucyD.Lucy Lucy's第二空也是同样 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 1.I got an A this term,so my teacher was() A.impressed B.impressing C.imoress2.Lucy thinks that () English movies isn't a good wayA.watch B.watched C.watching3.When we practice English speaking,we often end up () in Chinese.A.speak B.spoken C.speakin This is Lucy and this is Lily.(用or改为选择疑问句)