Mr.BlackandMr.Whiteweretwoveryfamousartistsinthecity.Th...
问题详情：Mr.BlackandMr.Whiteweretwoveryfamousartistsinthecity.Theirdrawingswerealsoverypopularinthecity.Buttheytriedtoseewhocoulddrawthebestpicture.Onedaytheyaskedanoldmantobethejudge.Mr.Blackdrewanapp...