[ Modals ]
You …………. use your mobile phone at school. It is prohibited.
A. can
B. mustn’t
C. had to
D. have to
Select your answer:

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Grammar › ViewWe dind’t have any money on us. We __________________ find an ATM.
A. have to
B. had to
C. needn’t
D. mustn’t
Tenses › View
Next year he ___ 19 years old.
A. is
B. will
C. will be
