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Exercise "Contractions / What are contractions?", created by anonyme (a free exercise to learn English):
Results of the 36 617 people who have taken this test:
Average mark: 73.5 / 100 Share
Latest member with a 100/100 (perfect mark): marcalvin / RUSSIA, on Saturday 09 December - 05:27:
"First try!GREAT!"
They got a perfect mark
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