... language course is vocabulary. No matter how well the student learn grammar, no matter how successfully sounds of L2 are mastered, without words to express the wide range of meaning, communication ... acquisition (Folse, 2005:6). According to Krashen (1982/ 1985), second language is most successfully acquired when the conditions are similar to those present in first language acquisition: ... performed their learning tasks frequently, the possibility of retrieving these lexical items successfully for online communication will be very high. Thirdly, it requires learners to analyse and...