a twin sister

a twin sister A and B are twin sister.twin和sister要加s吗? twin sister是什么意思 shi has a twin sister改为否定句 She has a twin sister.(改为否定句）? Lucy and Lily are ( ).A.twins sistersB.twin sisterC.twin sistersD.twins，sister twin sisters与twin sister的区别 Lily and Jenny are twin() A.brothers B.sisters C.Lily and Jenny are twin()A.brothersB.sistersC.Sister they are ________ (twin) sister. How old is your ____!A,sisters B、twins C、twin sister D、twin sisters 选c,为什么啊. a twin 5Are you____?” “Yes,we are____brothers. A.twin,twin?B.twins,twins C.twins,twin?D.twin,twins6.I have a____.A.twin sister B.twin's sister C.twin sisters D.twins sisters7.He often helps ____with____English.A.her,her B.she,her C.her,she D.she,she This is my twin sister.Both she and I ( )goThis is my twin sister.Both she and I ( )good at drawing.A.isB.amC.areD.be Lily isn't a cashier,her twin sister isn't a cashier,e______. Lily has a twin sister lucy.(对划线句子部分提问) (Su Yang)has a twin sister._______________________?对画线部分提问 I have a ___(twin)sister用所给词的适当形式填空 __your twin sister stronger than you?A.does B.is C.are 请讲理由