[ Modal Verbs ]
It is a modal verb that is used to express obligation or strong advice.
A. have to
B. should
C. must
D. be allowed to

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Parallel Structure or Combining SentencesPast Continues TenseVocabulary, Grammar, SpellingPast ContinuousPronoun Antecedent AgreementConditional Sentences and Verb FormArticle & Preposition-ed and -ing AdjectivesTenses of VerbsPast Simple and ContinuousOther quiz:
Modals of Necessity and Suggestion › ViewI think the most important thing to stop similar things from ever happening again is to seize every opportunity you (4) ( can / ought to ).
A. can
B. ought to
Subject Verb Agreement › View
Not only the dogs but also the cats (love, loves) fried chicken.
A. love
B. loves
Vocabulary › ViewChoose the answer that is more closely related to the given word or phrase: setoff
A. stop
B. start
Dependent Prepositions › View
I never complained ____ anything you say.
A. In
B. about
C. for
D. of
