[ Expressing Obligation and Modals ]
You …. be quiet when someone else is speaking.
A. must
B. must not
Select your answer:

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Grammar of Conjunctions and PrepotitionsPresent Perfect and Past SimpleComparison of Adjectives and AdverbsConjunctivesModals of ProhibitionPast Future TensesGrammar, adverbs of frequency placementIELTS GrammarModals AuxiliaryVerbs and Possessive AdjectiveOther quiz:
Conditional Tenses › ViewIf you come at seven, my father _____ (be) at home.
A. will be
B. came
Grammar › View
She wears a __________ around her wrist.
A. necklace
B. earrings
C. bracelet
D. braces
