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
이 교정물은 잘못된 문장을 수정하는 데 사용됩니다.i gyojeongmul-eun jalmosdoen munjang-eul sujeonghaneun de sayongdoemnida.This corrective is used to fix incorrect sentences.