Upstream C1
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Upstream Advanced C1 is a modular secondary-level course for learners of the English language at advanced level. The series combines active English learning with a variety of lively topics presented in themed units.
"Знающий человек найдёт выход из любой ситуации" - Avicenna
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Upstream Advanced C1 is a modular secondary-level course for learners of the English language at advanced level. The series combines active English learning with a variety of lively topics presented in themed units.
