| Beginner | Upper Beginner | |
|---|---|---|
| 2021(1st) | Interchange 1 (Cambridge University Press) | Interchange 2 (Cambridge University Press) |
| 2021(2nd) | Interchange 1 (Cambridge University Press) | Interchange 2 (Cambridge University Press) |
| 2022(1st) | Interchange 1 (Cambridge University Press) | Interchange 2 (Cambridge University Press) |
| 2022(2nd) | Interchange 1 (Cambridge University Press) | Interchange 2 (Cambridge University Press) |
| 2023(1st) | Interchange 1 (Cambridge University Press) | Interchange 2 (Cambridge University Press) |