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Exercise "Countable or Uncountable?", created by anonyme (a free exercise to learn English):
Results of the 10 167 people who have taken this test:
Average mark: 75.5 / 100 Share
Latest member with a 100/100 (perfect mark): coco58 / PERU, on Tuesday 27 October - 19:57:
";-)"
They got a perfect mark
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