[ Modal Verb ]
Our company provides free advice on the use of our products. You _______ pay us.
A. must
B. have to
C. needn’t
D. mustn’t

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Future - will / going to / present continuousSimple Future - WillTenses - AuxiliariesFuture Tense VerbVerbs and Adverbs-ed and -ing AdjectivesGrammar and IdiomsModal Verbs and Gender NounsGrammar: AgreementHas Got & Have GotOther quiz:
Modal Verbs › ViewYou __________ park here; it’s against the rules.
A. mustn’t
B. shouldn’t
C. don’t have to
D. ought to
Grammar › View
___ in hospital for several weeks, she was delighted to be home.
A. Being
B. Been
C. Having been