[ Modal Verbs ]
Adults ___________ buy tickets to attend the event. It is an obligation.
A. have to
B. don’t have to
C. has to
D. doesn’t have to
Select your answer:

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ModalPreposition and Preposition PhraseIdentifying Sentence TypesSimiles, Metaphors, Personification and HyperbolePast Tense vs Present TenseModals of Speculation and DeductionConjunctions and PrepositionsComplex SentencesTransition WordsPhrasal Verbs and GrammarOther quiz:
Tag Question › ViewThey have visited Viet Nam, ……………….?
A. haven’t they?
B. have they?
C. hadn’t they?
D. had they?
Future Tenses › View
What ______at 11 o´clock tonight?
A. will you have done
B. have you been done
C. will you be doing
D. will you have been doing
