[ 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

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Do not or Does notZero & First ConditionalEnglish ArticlePhrases and ClausesHomophone & HomonymNoun and PronounAdverbial Clauses of Manner and ResultFrequencyZero Conditional SentenceWho am I?Other quiz:
Grammar › ViewWhich sentence is correct ?
A. He is often mentioning this thing.
B. He often mentions this thing.
Grammar › View
My dad likes ….. but I think ….. likes swimming.
A. to fish/ your
B. fishing/ your
C. fishing/ yours
D. fishing/
Grammar › ViewPaul … like eating breakfast.
A. Don’t
B. Isn’t
C. Doesn’t
D. Aren’t
Grammar › View
I __ _____ on my school project at the moment
A. working
B. Work
C. ‘m workking
D. am working
