[ Modal Verbs ]
Passengers _______ smoke until the signs have been switched off.
A. mustn’t
B. can’t
C. needn’t
D. mightn’t

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Let & Be allowed toPassive Modals, Impersonal PassiveVocabulary and Sentence StructurePresent and Past Simple PassivePhrasal Verb and ModalPast Simple vs Past ContinuousModals and Past ModalsReported Speech and Reporting VerbsPresent Perfect or Past SimplePrepositions - ConjunctionsOther quiz:
Simple Tenses › ViewWe __________ to New York next month.
A. travel
B. will travel
C. travelled
D. will travelled
Active and Passive Gerunds and Infinitives › View
The students risked _____ misunderstood by the audience due to their complex presentation.
A. being
B. to be
C. presenting
Vocabulary and grammar › ViewAfter working hard for hours, the farmers sat down and ___________ a short rest.
A. get
B. take
C. do
D. give
Grammar › View
A __ of dirty clothes was strewn on the floor.
A. box
B. pile
C. packet
D. basket
