[ Grammar ]
We heard the door slam, but no one was in the living room. Someone …………….. left the house without us noticing.
A. must have
B. might have
C. should have
D. need have
Select your answer:
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Gerunds & Infinitives + VocabularyCausative VerbPast ContinuousModals and Present TensesPast Narrative TensesPresent Simple with Adverbs of FrequencyTypes of SentencesPast and Present ContinuousAdverbs
Other quiz:
Grammar › ViewHow old are you?
A. I am 27.
B. I am not.
C. I not.
D. I are 27.
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This exercise is _______ than that one
A. easy
B. easier
C. easiest
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