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Exercise "A / an or some.", created by anonyme (a free exercise to learn English):
Results of the 28 804 people who have taken this test:
Average mark: 78.5 / 100 Share
Latest member with a 100/100 (perfect mark): biscotte92 / FRANCE, on Monday 17 July - 14:23:
"Day after day we improve our English skills! Thanks for this exercise! :)"
They got a perfect mark
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