[ Modals of Obligation and Permission ]
He —— wear a suit to work but he usually does.
A. mustn´t
B. must not to
C. have to
D. doesn´t have to

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Tenses UsageGrammar and PunctuationBe Going To vs. WillVerb PatternsVerb + Infinitive or GerundFuture Tenses and ModalsGrammar, Conditional Sentences, VocabularyParallel Structure or Combining SentencesWill and Going toPast Tense vs Future TenseOther quiz:
Grammar › ViewThey ________________ doctors.
A. am not
B. are not
C. is not
Grammar › View
Father ………. a car but he……….it very often.
A. does not have
B. has- does not drive
C. had-does not drive
D. has – is not driving
Conjunctions › ViewIt’s raining; __________, Mr. Nam has to go to work.
A. Although
B. So
C. Therefore
D. However
Vocabulary › View
A storage site used to house weapons.
A. states’ rights
B. secede
C. civil war
D. arsenal
