Customers _______ pay for parking after 6 p.m. It is ...

★ Modals of Obligation

Customers _______ pay for parking after 6 p.m. It is free of charge until midnight.

A. don’t need to

B. need to

C. must

D. mustn’t

Preview next quiz:

Employees _______ take their annual leave before the end of the year. They will not have another chance.

A. could

B. have to

C. should

D. may