1. Course Introduction
2. Unit 4 How Do Sloths Move?
3. Unit 4 How Do Sloths Move?
4. Unit 4 How Do Sloths Move?
5. Unit 4 How Do Sloths Move?
6. Speaking Test
7. Unit 5 I'm Meeting Friends Later.
8. Unit 5 I'm Meeting Friends Later.
9. Unit 5 I'm Meeting Friends Later.
10. Unit 5 I'm Meeting Friends Later.
11. Speaking Test
12. Listening Review Test 1
13. Unit 6 What Will Earth Be Like in the Future?
14. Unit 6 What Will Earth Be Like in the Future?
15. Unit 6 What Will Earth Be Like in the Future?
16. Unit 6 What Will Earth Be Like in the Future?
17. Speaking Test
18. Listening Review Test