Historical clue formulations

• Looked stunned, say — 2025-05-28
• Hung open — 2022-04-28
• Stared in wonder — 2022-03-01
• Gawked — 2020-02-09
• Looked shocked, maybe — 2019-08-14
• Was wide open — 2018-03-18
• Looked open-mouthed — 2017-04-24
• Looked slack-jawed — 2016-03-02
• Looked surprised — 2015-06-28
• Stared stupidly — 2015-05-18
• Was wide open — 2012-03-26
• Reacted to shocking news — 2012-03-25
• Opened wide — 2009-03-15
• Couldn't hide one's astonishment — 2006-03-17
• Stared stupidly — 2005-03-29
• Rubbernecked — 2004-03-10
• Stared stupidly — 2001-08-22
• Stared openly — 1997-09-15
• Opened wide — 1996-02-06
• Stared open-mouthed — 1995-02-27
• Expressed wonder — 1994-07-28
• Yawned — 1994-06-26
• Goggled — 1993-12-23