[ Expressing Obligation and Modals ]
We use must/mustn’t to express:
A. obligation or duty, very strong advice, prohibition
B. prohibition
C. necessity
D. lack of necessity

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Present TensesDistinguishing Future TensesGrammar - help/have/let/makeCardiology ServicesPresent Simple VS ContinuousArticles A and AnComparative AdjectiveWh- Questions Present Simple TensePhrasal Verbs and Verb FormsVocab and GrammarOther quiz:
Comma › ViewThe children were cold and impatient and hungry.
A. The children were cold and impatient and hungry.
B. The children, were cold and impatient and hungry.
C. The children were cold, and impatient, and hungry.
D. The children were cold, and impatient and hungry.
Modal Verbs › View
People __________ fasten seat belts when travelling by car.
A. should
B. can
C. must
Modal Verbs › ViewYou ___________ use the phone in the class!
A. mustn’t
B. shouldn’t
C. may not
D. don’t have to
Modals Tenses › View
Media.ge …. contact First Stereo Management yet.
A. has not been able to
B. wasn`t able to
C. is not able to
D. will not be able to
