they are twins ,they names are lucy and lily .这句话有什么错误么

they are ( ) a.the twins b.twins They are twins.对twins提问 They are twins.These are___books They are the______(twins) books. They are twins.（翻译） they are twins ,but they look different They are twins,so they look( ) Are they the twins sweaters?是哪处错误 They look s__,though they are twins.填空 they are twins and they have the same ____they are twins and they have the same ____ Tom and Tim are twins.they are twin b什么 Lucy and Lily are twins.they are the s___age. Lucy and Lily are twins, they are a_怎样填? Mary and Jane are twins.But they are( ). B______of the twins are funny and they are b______students. They are -------They are twins.They are -------.They are twins.A.two our daughters B.our two daughtersC.our daughters two D.two daughters They are twins,so they are（They are twins,so they are（ ）他们俩是双胞胎,因此他们一样大. these books are not______(the twins).they are____(alice)