[ 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

Random Topics:
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:
Preposition of Time › ViewI always get up very early _____ the morning.
A. in
B. on
C. at
Grammar › View
I _____ read before I started school
A. could
B. was able to
C. both are possible
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
