[ Modal Verbs ]
Patients ___ inform the doctor of any allergies.
A. may
B. ought to
C. must

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Grammar SuffixesGender and GrammarRun-On SentencesAuxiliaries VerbPreposition (at,in,on)Past, Present, FutureWh-QuestionMust Vs Have toSimple Past Tense and Past Perfect TenseGrammar - Sentence StructureOther quiz:
Modal Verbs › ViewHe … be in class. I saw him at the library a minute ago.
A. must
B. might
C. can’t
Modal Verbs › View
If you practiced more, you _____ win the competition.
A. must
B. would
C. could
D. might