初中英语 -----who is _____between Lily and LUCY -----LUCY is

Who is Lily and Lucy?还是Who are Lily and Lucy? Who is _____(calm) ,Lucy or Lily she is lucy and she is lily This room is ___ .A.Lucy and Lily B.Lucy's and Lily C.Lucy's Is Lily taller () Lucy? lucy and lily is twins.改错 where are还是is lucy and lily Lucy and Lily are the twins.Lucy is taller.（改为同义句子） Lucy is The desk is Lucy and Lily's.{Lucy and Lily's画线} —— is this? Lily is in Class2.Lucy is in Class,too 同义句转换 Lily and Lucy a lucy and lily is twins 还是Lucy and lily are twins请问哪句话对? Here is lucy and lily 还是 Here are lucy and lily.急