Topics: Expressing Obligation and Modals
Choose the correct option to complete the sentences:
Some companies _____________ invest in technology because their customers like traditional products.
A. mustn’t
B. don’t need to
Preview next quiz:
A good sense of humour is important, even in business. You ____________ serious all the time.
A. don’t got to be
B. don’t have to be
C. mustn’t be
D. don’t not have to be