天湖爆炸案:They have been married for 15 years。翻译

They have been married for 15 years。翻译 they have lived in beijing for many years,and they has ever been to the weather here They have been going to Arcades where computer games can be played for a small cost. have been与have gone Over a hundred people must have been driven away.( )they were.填I think .还是 I am sure have been in Have you been. 什么时候用 have been? They have gone forever. Have gone与Have been的区别