Học từ vựng English Vocabulary in Use Advance
Unit 97: Register: degrees of formality

STT	Bài học	Số câu hỏi	Audio
1	Vocabulary	1	No audio
2	Exercise - 97.1	7	No audio
3	Exercise - 97.2	9	No audio
4	Exercise - 97.3	5	No audio
5	Exercise - 97.4	4	No audio
6	Exercise - 97.5	1	No audio

Unit 96: Connotation: making associations

Unit 98: Divided by a common language