[ 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:
Grammar › ViewJohn ______ a book when I saw him.
A. reading
B. is reading
C. read
D. was reading
Tenses › View
We __________ here for a while and are ready to leave now.
A. have been waiting
B. waited
C. wait
D. are waiting
Grammar › View“If I forget her birthday, Andrea gets upset.” Which conditional is this?
A. zero
B. first
C. second
D. third
Grammar › View
I never work ____ the weekend.
A. in
B. to
C. at