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Utiliser des déterminants singuliers ou pluriels Exercice fondamental

<2 MIN
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Compléter le texte suivant avec les déterminants qui conviennent.

aØthean telegraph was developed by aØthean American engineer Samuel Morse in the 1840s. However, theØaan first draft, called atheØan Semaphore line was invented by theØaan French inventor named Claude Chappe.ØTheAnA development of aantheØ telegraph and aØthean American Civil War are said to have influenced and nourished aØanthe enthusiasm for theØana spiritism in Øtheaan 19th century.