seven o'clock
Then he took a fresh sheet and began again . He was half way down the first page when the door opened and Rex came in . `` Syd , '' he exclaimed , `` are n't you coming home to dinner ? We waited till seven o'clock , then mother grew so worried that I came down to see if anything had happened . '' `` How good you are to me , Reggie , '' said the other . `` And how little I deserve it . '' His head went down on his two arms upon the desk .