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_________ is one of the main determinants of second/foreign language (L2) learning achievement and, accordingly, the last three decades have seen a considerable amount of research that investigates the nature and role of _________ in the L2 learning process. Much of this research has been initiated and inspired by two Canadian psychologists, Robert Gardner and Wallace Lambert.
ESP is a growing field of EFL and the most vital distinction of it lies on _________.
Which one would be the one to fit better? Take into account the word order as well.