Blocks form the expression 'fill in the blank'.

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Size: 5953px × 3510px
Location: Hamburg, Germany
Photo credit: © Frank Harms / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: background, blank, complete, completion, concept, connecting, cube, economics, evolve, fill, gap, idea, list, missing, questionnaire, space, symbol, test, text, word