[ Modal Verb ]
All passengers ___ turn off their mobile phone.
A. shall
B. must
C. must not
D. may not
Select your answer:
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Simple Present and Present ContinuousNounsPresent Simple and Present Continuous TensesAlong & AgainstAdverb and Noun ClausesGrammar Present Perfect (ever never)Past Perfect Simple & ContinuousPrepositions after Verbs and AdjectivePresent & Past TensesVerbs: Will & Going toOther quiz:
Grammar › ViewAli is a __________ driver
A. careful
B. slowly
C. carefully
D. well
Modals › View
A: My phone bill is enormous.
B: I think you__________________ .
A. you not ought to talk too much
B. you ought not to talk too much
C. you ought to talk too much
D. you ought talk too much