[ Modal Probability ]
Complete the sentence with the appropriate modal: “If she didn’t answer the phone, she ______ have been busy.”
A. must
B. might
C. can’t
D. should
Select your answer:

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Future TensesPresent/Future/Past Simple/Present PerfectPresent Perfect vs Past Simple TenseComparativeModal AdverbsQuantifiers & Modal VerbsAdverbs of Frequency & Simple Present TenseAdverbial PhrasesSimilesPossessive Pronouns and QuantifiersOther quiz:
Grammar › ViewToday, many serious childhood diseases ……………….. by early immunization.
A. are preventing
B. can prevent
C. prevent
D. can be prevented
Tenses › View
My teacher ___ the task later.
A. will inform
B. informs
C. informed
