[ Modals ]
Whatever you do, you ________________ touch that switch. It’s very dangerous.
A. mustn’t
B. don’t have to
C. doesn’t have to

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Have as verb and auxiliaryPresent and Past Simple TensePresent Simple for Future ArrangementNoun, Adjective, and Adverb ClausesPassive Voice, Question Tag, PrepositionsRelative Clauses beginning with PrepositionsSubordinating and Coordinating ConjunctionsMesopotamia VocabularyAdjectives and comparisonsPronouns and Subject Verb AgreementOther quiz:
Tenses › ViewI _______ living in İstanbul for three years now.
A. am
B. have been
C. was
D. had been
Grammar › View
David was the first person ___ to me when I arrived
A. to talk
B. which talking
C. that he talked