[ Modal Verb ]
I don’t know where he is. He _____ gone to the library
A. Must have
B. Can have
C. Could have
D. Should have

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If Conditional Zero and OneVerbal PhrasesPresent Perfect Negative and InterrogativePronoun-Verb AgreementPronouns and AdverbsFuture Simple TensesPresent Perfect - Just, Already, YetIntensifiers: Really vs VeryApostrophes and GrammarGrammar MistakesOther quiz:
Compound Sentences › ViewKamal is intelligent, ______ he is not friendly.
A. and
B. but
C. or
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My father is ______________ only doctor.
A. Greenvilles
B. Greenville’s
C. Greenvilles’
Grammar › View“If I forget her birthday, Andrea gets upset.” Which conditional is this?
A. zero
B. first
C. second
D. third
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I never work ____ the weekend.
A. in
B. to
C. at
