He works in a call-centre and he sometimes _____ work ...

★ Modals for Necessity and Suggestions

He works in a call-centre and he sometimes _____ work at night.

A. should

B. has to

C. must

D. shouldn’t

Preview next quiz:

Choose the correct use of the modal in this sentence:

You must get a passport before you go abroad.

A. Necessity

B. Lack of necessity

C. Recommendation