[ Grammar: Have to ]
Dentists ____________ wear a uniform.
A. have to
B. has to
C. don’t have to
D. doesn’t have to
Select your answer:
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Modals › ViewYou shouldn’t leave small objects lying around . Such objects _______ be swallowed by children.
A. must
B. need
C. may
D. mus not
Prepositions › View
We’re having a picnic ___ Saturday afternoon.
A. at
B. in
C. on