[ Grammar ]
If there is a fire you _______________ act quickly!
A. Can
B. Must
C. Don’t have to
D. May

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Personal Pronouns and VerbAdjective vs AdverbAdjectives and AdverbsGerunds, Infinitives and Modals of PossibilityGrammar - could / could notFuture Tenses and ModalsModals Of SpeculationCollective NounsSimple Future - WillModals of AdviceOther quiz:
Tenses › ViewMy brother ___ a fairy tale story for me two hours ago
A. Read
B. Reading
C. Reads
D. Readed
Grammar and Structure › View
Would you like _____ and visit me next summer?
A. come
B. coming
C. to come
D. came