She ___ have forgotten about the appointment. A. must ... | GrammarQuiz.Net

[ Modal Verbs ]

She ___ have forgotten about the appointment.

A. must

B. can

C. could

D. should

Select your answer:

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Grammar - Sentence Structure Gerund Subject or Object Grammar: Adjectives & Prepositions Modal Verbs for Deduction Adjectives or Adverbs Passive Voice, Modals of Deduction and First Conditional Verb + Infinitive Modals & Conditionals Asking & Giving Attention Pronounciation and Grammar

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A. Drived
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