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

Random Topics:
Prepositions and Phrasal VerbsWish / If only ( Present)Commas and Subordinating ConjunctionsBasic GrammarModal Verbs & Time PrepositionsComparativePronoun Antecedent AgreementIntermediate PrepositionsInterjections, Tag Questions and Nouns of Direct AddressVerb Tense, Pronouns and AntecedentsOther quiz:
Present Continuous for Future › ViewWe __________ on campus any more this semester 🙁
A. am not meeting
B. didn’t meeting
C. aren’t meeting
Articles › View
My father bought … new car yesterday.
A. a
B. an
Modals of Probability › ViewIt’s got four legs, so it ……………….. be a snake.
A. could
B. can’t
Few vs. Little › View
Did you take ______ photos when you were away on holiday?
A. Much
B. Many
C. Few
D. Little
