[ Modals of Obligation and Necessity ]
Which sentence means something is optional?
A. You don’t have to wear a uniform.
B. Managers have to approve requests.
C. Workers mustn’t eat at their desks.
D. Employees must arrive on time.

Random Topics:
Past and Present TensesGerundCan vs be able toModals TensesFuture Tense (will/be going to/p.continuous)Must Vs Have toVocabulary and PhrasesWestern Europe CountriesBe used to vs used toPrepositions & Prepositional PhrasesOther quiz:
Grammar, Conditional Sentences, Vocabulary › ViewThe ______ mentioned some interesting anecdotes on the displays as he was conducting the tour in his museum.
A. curator
B. manager
C. librarian
D. masseur
Grammar › View
The tiger ————- talk.
A. can
B. cant
C. can’t
Adjective or Adverb › ViewBuses are not so … as taxis.
A. more expensive
B. expensive
C. the most expensive
D. a more expensive
E. expensivest
Modal Verbs › View
Which sentence correctly rephrases ‘Perhaps he will be home soon’ using a modal verb?
A. He must be home soon.
B. He could/may/might be home soon.
C. He should be home soon.
D. He will be home soon.
