Topics: Modals for Obligation
He works in a call-centre and he sometimes _____ work at night.
A. should
B. has to
C. must
D. shouldn’t
Select your answer:

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a, an, the, Zero Article › View___ TV in the living room has no cable connection.
A. A
B. The
C. An
D. “no article”
Articles › View
I watched _____ video you had sent me.
A. a
B. an
C. the
D. x
