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Exercise "Modal verbs", created by anonyme (a free exercise to learn English):
Results of the 3 677 people who have taken this test:
Average mark: 57 / 100 Share
Latest member with a 100/100 (perfect mark): hnyxh / SWITZERLAND, on Thursday 04 January - 12:10:
"before me : tahnna :) 20/20"
They got a perfect mark
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