Học từ vựng English Vocabulary in Use Advance
Unit 31: Taking root and reaping rewards

STT	Bài học	Số câu hỏi	Audio
1	Vocabulary	1	No audio
2	Exercise - 31.1	7	No audio
3	Exercise - 31.2	8	No audio
4	Exercise - 31.3	8	No audio
5	Exercise - 31.4	18	No audio
6	Exercise - 31.5	9	No audio
7	Exercise - 31.6	1	No audio

Unit 30: Brick walls and glass ceilings

Unit 32: The animal kingdom