[ 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

Random Topics:
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 › 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