Lesson Complexity: Upper-Intermediate

• 1 IELTS|Upper-Intermediate|29. Exploring space
• 2 IELTS|Upper-Intermediate|Revise and Check 7
• 3 IELTS|Upper-Intermediate|28. A symbol of a nation
• 4 IELTS|Upper-Intermediate|27. Endangered species
• 5 IELTS|Upper-Intermediate|26. Wildlife wonders
• 6 IELTS|Upper-Intermediate|25. Environmental issues
• 7 IELTS|Upper-Intermediate|Revise and Check 6
• 8 IELTS|Upper-Intermediate|24. Number one website
• 9 IELTS|Upper-Intermediate|23. The impact of IT on society
• 10 IELTS|Upper-Intermediate|22. Film making and technology