Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
그들은 계속 떠들어대셔서 수업에 집중할 수 없었다.geudeul-eun gyesok tteodeureodaesyeoseo sueob-e jibjunghal su eobs-eossda.They were chattering so much that they couldn't concentrate in class.