David and Tony are brother,and these are()parents 紧急

David and Tony are brother,and these are()parents 紧急 1.-Are David and Tony playing football on the playground? 改错：David and Helen are sister and brother mum,they are ( )classmates rose and ( )brother david These are Tom's and Tony's/Tom and Tony's beds.哪一个句型对? Tony and Anna are brother and sister. They are Americans. To They are my parents,my sister,my brother and I. two is and these my sisters my that brother are this is my( ).these are my parents and this is David and Alice are twin brother and sister.They like differ Whose bags are these?——Bob,Michael’s and Tony’s bags are bla 英语翻译These boys,David,Tom and John are good friends.They are