Topics: 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
Select your answer:

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Past ContinuousGerunds and InfitinitivesHas and HaveConditional SentencesWill vs be going toDefinite vs Zero Article Abstract NounsPronouns and AntecedentsLexico and GrammarAdjective ending with ED & ING1st & 2nd ConditionalsOther quiz:
Grammar and Vocabulary › View‘Always, usually, often, sometimes, rarely, never’ are used with ____
A. the simple continuous
B. the past continuous
C. the present simple
D. the future
Phrasal Verb › View
She decided to speak out against unfair rules. What does ‘Speak out’ mean?
A. Speak in agreement
B. Speak in protest
C. Stay silent
D. Forget
