[ 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:
Grammar › ViewHe _________ English at a nearby grammar school.
A. taught
B. teached
C. taughted
D. teach
Grammar › View
She seldom ever wants to try and face the true facts.
A. Seldom ever wants to try and face the true facts
B. Seldom wants to try to face the facts
C. Seldom wants to try and face the facts
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
