[ Expressing Obligation and Modals ]
Students …… eat in classroom
A. Should
B. can
C. Must
D. Mustn’t

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Employment VocabularyApostrophes and GrammarMay, MightModal Verbs of PermissionDefinite, Indefinite and Zero ArticlesTenses and FoodClause Markers TOEFL GrammarCoordinating & Subordinating ConjunctionsOpinion / AgreementTenses and Sentence CompletionOther quiz:
Noun, Adjective, and Adverb Clauses › ViewDo you remember the boy who got sprayed by a skunk?
A. noun clause
B. adjective clause
C. adverb clause
Vocabulary › View
(adj.) blocked so that nothing can go through
A. immobile
B. impassable
C. martial
D. sinister
Grammar › ViewChoose the conjunction that fits best in this sentence.
I was confident about my submarine driving exam results, _____ I had studied.
A. but
B. for
C. or
Grammar › View
This is a group of words renames or identifies a noun
A. Appositive phrase
B. Gerund phrase
C. Participial phrase
D. Prepositional phrase
