[ 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:
Vocabulary › ViewIf you feel jealous of someone, you could also say you feel ________.
A. luminous
B. envious
C. alternative
D. adapt
Vocabulary › View
This word means flew high up in the air.
A. soared
B. trudged
C. fabric
D. jumped
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
