| Workbook 1 Suggested answers | | |
| Workbook 2 Suggested answers | | |
| Workbook 3A Suggested answers | | |
| Workbook 3B Suggested answers | | |
| Workbook 4A Suggested answers | | |
| Workbook 4B Suggested answers | | |
| Workbook 5 Suggested answers | | |
| Workbook 6 Suggested answers | | |
| Workbook 7 Suggested answers | | |