[ Modal ]
Ali didn’t answer the phone. He …………….. be sleeping.
A. must
B. can’t
C. mustn’t
D. couldn’t
Select your answer:

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Verb Tenses (Progressive, Perfect)Noun Phrases and Verb PhrasesExclamationSentence and FragmentNouns, Pronouns, Antecedents, and Singular and PluralComparison Degree & GerundsTenses and FoodPhrasal Verb With TakeVocabulary and Verb TensesGerund/ To Verb/ VerbOther quiz:
Vocabulary › ViewJanet loves animals and wants to be a _________ when she grows up.
A. vegetation
B. veterinarian
C. veteran
D. vegetable
Grammar › View
Can you ask him —- texting me?
A. stop
B. to stop
