[ Perfect Modals ]
I’m not sure, but he ____ left early because he looked tired.
A. should have
B. must have
C. may have
D. can’t have

Random Topics:
There is, There are, Some, AnyPresent Simple and Present Continuous TenseTime ConjunctionsWestern Europe CountriesPassivisationPossessive Adjectives & Possessive PronounsVocabulary, Adjective & PrepositionVocabularyRelative Clauses with who and whichGerunds and InfinitivesOther quiz:
Grammar › ViewWe______ the roof for Mrs. Smith, an elderly childless woman, when it______ with rain.
A. were mending / was pouring
B. mended / poured
C. mended / was pouring
D. were mending / poured
Degrees of Comparison › View
Who is ………………….. man in your country ?
A. the most famous
B. As famous as
C. The famousest
D. More famous than
