https://engnovate.com/ielts-listening-tests/cambridge-ielts-15-academic-listening-test-2-questions-15-20/
1E 2C 3B 4A 5G 6D
https://engnovate.com/ielts-listening-tests/cambridge-ielts-15-academic-listening-test-4-questions-11-16/
1D 2C 3G 4H 5A 6E
https://engnovate.com/ielts-listening-tests/cambridge-ielts-18-academic-listening-test-4-questions-23-27/
1D 2A 3C 4G 5F
https://engnovate.com/ielts-listening-tests/cambridge-ielts-18-academic-listening-test-4-questions-15-20/
1F 2G 3E 4A 5C 6B
https://engnovate.com/ielts-listening-tests/cambridge-ielts-12-academic-listening-test-4-questions-15-20/
1H 2C 3F 4G 5I 6B
https://engnovate.com/ielts-listening-tests/cambridge-ielts-18-academic-listening-test-3-questions-25-30/
1G 2E 3B 4C 5F 6A
https://engnovate.com/ielts-listening-tests/cambridge-ielts-11-academic-listening-test-1-questions-15-20/
1F 2G 3D 4H 5C 6A
https://engnovate.com/ielts-listening-tests/cambridge-ielts-16-academic-listening-test-1-questions-15-20/
1H 2C 3G 4B 5I 6A
https://engnovate.com/ielts-listening-tests/cambridge-ielts-16-academic-listening-test-4-questions-15-20/
1C 2F 3A 4I 5E 6H