[ Have as verb and auxiliary ]
The students _______ their cameras on all the time.
A. have to
B. have got to have
C. have had
D. have haven´t

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Grammar and EssayArticle & PrepositionModals for Advice, Obligation/Prohibition, Necessity and Lack of NecessityEnglish Article-ing &-ed AdjectivesTenses and Passive VoiceAdverb Clauses of TimeThe Structural Types of SentencesAdverb of MannerPassive Voice and ModalsOther quiz:
Tenses › ViewTomorrow afternoon I’m going to play tennis from 3 o’clock until 4.30 o’clock tomorrow I..tennis
A. will play
B. will be playing
C. will have played
D. will be played
E. will have been playing
Grammar › View
‘______ ?’ ‘He’s very nice.’
A. What does he look like?
B. What’s he like?
C. How is he?
D. How does he look?
Abstract Nouns › Viewthe feeling that you need water
A. thirsty
B. nervousness
C. kindness
D. adulthood
Vocabulary › View
vital
A. a symbolic object
B. with great surprise
C. absolutely necessary or important; essential
D. with great seriousness and importance
