Học từ vựng English Vocabulary in Use Upper-intermediate
Unit 65: Addition

STT	Bài học	Số câu hỏi	Audio
1	Vocabulary	1	No audio
2	Exercise - 65.1	4	No audio
3	Exercise - 65.2	5	No audio
4	Exercise - 65.3	12	No audio
5	Exercise - 65.4	3	No audio
6	Exercise - 65.5	6	No audio

Unit 64: Concession and contrast

Unit 66: Referring words