Học từ vựng English Vocabulary in Use Upper-intermediate
Unit 85: Countable and uncountable nouns with different meanings

STT	Bài học	Số câu hỏi	Audio
1	Vocabulary	1	No audio
2	Exercise - 85.1	1	No audio
3	Exercise - 85.2	6	No audio
4	Exercise - 85.3	1	No audio
5	Exercise - 85.4	1	No audio

Unit 84: Words that only occur in the plural

Unit 86: Making uncountable nouns countable