[ Modal Auxiliaries and Similar Expressions ]
Which sentence correctly expresses necessity?
A. You must update your antivirus software.
B. You might update your antivirus software.
C. You could update your antivirus software.
D. You may update your antivirus software.
Select your answer:

Random Topics:
Uncountable NounsPrepositionSimple Past vs Past Continuous TensePast Perfect TensesGrammar for TOEFLPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousWho vs WhomVocabularyPast TenseParallel Structure or Combining SentencesOther quiz:
Adjective vs. Adverb › ViewShe played _____.
A. Beautiful
B. Beautifuly
C. Beautifully
Modals of Obligation › View
The entrance for the art gallery is free. You ______________ pay.
A. should
B. can
C. don’t have to
D. have to
