The key answer of exercise 24
The key to exercise solutions in chapter Unit 5 - Winning at any cost? for the textbook Engage!, Vol. 1 with authors Monica Berlis, Jane Bowie, Heather Jones e Barbara Bettinelli from Pearson Longman
Question
Complete with the correct form of have to or must. Sometimes both are possible.
Answer
- have to / must
- have to / must
- mustn't
- has to / must
- doesn't have to
- don't have to
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