[ Modals in The Past ]
I called his apartment and nobody answered. He ___ gone out.
A. must have
B. could have
C. can’t have
D. might have

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Present Simple or Present ContinuousPresent simple & ContinuousComparativeSo Such Enough TooGrammar : Structural Common ErrorsRelative Clauses and UsageWord Form & Verb TenseModifiersPresent and Past Perfect TensesModals and Adjectives (ed-ing)Other quiz:
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A. the dangerous
B. more dangerous
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Future Tenses › View
See you at the station I _____ a red jacket.
A. wear
B. will wear
C. will be wearing
D. will be worn