lucy and lily is twins 还是Lucy and lily are twins请问哪句话对?

lucy and lily is twins 还是Lucy and lily are twins请问哪句话对? Lucy and Lily are twins 的问句 The twins’ name are Lucy and Lily lucy and lily is twins.改错 （ ）LUCY and Lily twins? Lily and Lucy are twins.But Lily is girl the twins. Lucy and Lily are twins,but Lucy is different from Lily.(改为同 改为同义句.1.Lily and lucy are twins. Lily is lucy's___ ___. 2.Th Lucy and Lily are twins.同义句转换：Lucy ----- ----- ----- ----- L Lucy and Lily are the twins.Lucy is taller.（改为同义句子） Lucy is Lily and Lucy are twins and Lucy is ________ of the two. A．o Lucy and Lily are twins, they are a_怎样填?