A and B are twin sister.twin和sister要加s吗?

Amy ____ Alice are twin.A.or B.and C./ A and B are twin sister.twin和sister要加s吗? Lily and Jenny are twin() A.brothers B.sisters C.Lily and Jenny are twin()A.brothersB.sistersC.Sister Are you ( Yes,we are ( )brothers.A twin ,twin B twins twins C twins twin 为什么 They are ____ .A twin B twin brothers C twin sisters D twins Tom and Tim are twins.they are twin b什么 Though Li Ming and Li Hua are twin brothers,they look()A different B difference Lucy and Lily are ( ).A.twins sistersB.twin sisterC.twin sistersD.twins，sister The coats are over there A twin B twins C twin's D twins' This is my twin sister Lucy.Both she and l___good at drawing.A:am B:is C:are D:be Alice and Bruce are twin sisters._____are my good friends.A.Them B.They C.Their D.Theirs There are some differencs between Tom and Jim ______ thet are twin brothers.A.though B.if C.until D.so are peter and john twin brothers? May and Mary are twin s____ 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 whose dictionaries are these?they are thewhose dictionaries are these?they are the .a.twins' b.twin c.twins d.twin' you are different from the twin brother.you like swimming,____ he is interested in music.a.and b.but c.so d.even Jim and Tom are twin brothers,but they look a litte d _