Historical clue formulations

• Respond, as a pupil might — 2026-04-08
• Widen, as pupils — 2024-10-21
• Widen — 2019-11-19
• Widen — 2017-09-15
• Open wider, as a pupil — 2013-02-11
• Widen — 2012-08-17
• Grow, as a pupil — 2012-05-22
• Spread out — 2011-08-14
• Get wider — 2010-10-13
• Widen, as a pupil — 2008-05-13
• Get wider — 2008-01-08
• Prepare pupils for examination — 2006-06-30
• Swell — 2005-06-15
• Enlarge — 1998-06-14
• Enlarge — 1995-05-05