[ Modal Verbs ]
People __________ fasten seat belts when travelling by car.
A. should
B. can
C. must
Select your answer:

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Adverbs and Time ExpressionsCoordinate ConjunctionGerund & InfinitivesGrammar : Structural Common ErrorsModals and AdviceSimple Present ProgressiveTo Infinitive/Bare Infinitive/GerundsSynonymsConjunctions - ConnectorsAdjective / Noun + to InfinitiveOther quiz:
Vocabulary › Viewto throw out or get rid of
A. discard
B. remorse
C. exuberant
D. profound
Adjective vs Adverb › View
Peter smiles so ___ .
A. happy
B. happily
