Most Hodder MFL workbooks are part of a larger scheme. Schools that purchase the Student Book often buy the subscription or a Teacher’s Resource pack. These contain editable worksheets, lesson plans, and full answer keys.
You don't actually need the answer booklet to improve. Here is how to use a Hodder MFL workbook effectively without cheating: hodder education workbook answers mfl
If you gain legitimate access to answer keys, follow this proven workflow for maximum learning: Most Hodder MFL workbooks are part of a larger scheme