[ Grammar ]
The party isn’t a formal occasion. You ___ wear a suit.
A. needn’t
B. mustn’t
Select your answer:

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Degrees of ComparisonModal Auxiliary VerbsSimple Present vs Present ProgresiveVocab CheckingAuxiliaries VerbClause Markers TOEFL GrammarPreposition of TimeGrammar Past and Future TenseSecond ConditionalPreposition & Relative ClausesOther quiz:
Grammar › ViewAria is loved by everyone ________ she is a very sweet girl.
A. before
B. unless
C. but
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E. because
Modal Verbs › View
He _______ be tired. He’s been studying all day.
A. must
B. can
C. should
