[ Modals and Responsibilities ]
They ___ follow the rules.
A. must
B. need to
C. have to
D. responsible for

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Going To Be and WillPassive to ActiveGrammar-Verbs & Nouns Singular, Plural, GenderGrammar - used toVerb Tenses and Sentence StructureSo - Too - Either - NeitherConjunctions in Complex SentencesModal SpeculationDo / Have / Can - Basic QuestionsAdjective ClausesOther quiz:
Vocabulary and Modals › ViewWe always ________ and ________ before a volleyball match.
A. train, burn calories
B. get fit, warm up
C. warm up, stretch
D. rest, get fit
Grammar › View
It is essential that every student ………….. to learn English at university.
A. have
B. has
C. to have
D. having