Where have they been?

Where have they been? where have they been?是现在完成时吗? Where have they been?能不能说：They have been in their room. 为什么说：Where have they been?我知道这是过去完成时,但是为什么不是Where have been they? where have they lunch? I w.where they have been.根据字意及首字母填空I w.where they have been.根据字意及首字母填空 where you have been与where have you been区别 where you have been与where have you been区别 where are the Greens?Well,they ---- to England.they have been there for nearly a weekA have been ;B are going ;C have gone;D will go Where have you ever been? Where have yoy been to Where have yoy been to Peter says that the Whites are on holiday, but no one knows .A. where they have been B. where are they C. where are they from D. where they have gone Any idea where they may have been made这句话的意思是? They have been going to Arcades where computer games can be played for a small cost. Where are the Greens,may I ask?Well,they to England,They there for nearly a week now.Where are the Greens,may I ask?Well,they to England,They there for nearly a week now.A,have been,have been,B,have been,have gone.C,have gone.have been,D,have gone.ha ( )39.Peter says that the Whites are on holiday,but no one knows——.A．where they have been B．where are theyC．where are they from D．where they have gone Where are Mr and Mrs Smith.--They ___ there twice before.A have been to ;have goneB have gone to ;have been C have been to ;have gone to D have gone to ;have been to理由!快速!Where are Mr and Mrs Smith.--They ____Italy.They ___ there twice before