Học từ vựng English Vocabulary in Use Pre-Intermediate
Unit 39: Running a company

STT	Bài học	Số câu hỏi	Audio
1	Vocabulary	1	No audio
2	Exercise - 39.1	10	No audio
3	Exercise - 39.2	9	No audio
4	Exercise - 39.3	9	No audio
5	Exercise - 39.4	6	No audio
6	Exercise - 39.5	6	No audio

Unit 38: Working in an office

Unit 40: Business and finance