Unit 1 - Formal, informal and non-formal education Lesson Exercises Answers Unit 2 - Gifts of youth Lesson Exercises Answers Unit 3 - Cultural issues and values Lesson Exercises Answers Unit 4 - Humour Lesson Exercises Answers Unit 5 - Science and technology Lesson Exercises Answers Unit 6 - Sustainable development Lesson Exercises Answers Unit 7 - Women and Power Lesson Exercises Answers Unit 8 - Brain drain Lesson Exercises Answers Unit 9 - International organizations Lesson Exercises Answers Unit 10 - Citizenship Lesson Exercises Answers Collocations - Do-Make Exercises Answers