The professor’s voice could not be heard in the back of the classroom.
A. This sentence is “Active.”
B. This sentence is “Passive.”
Abstract vs. Concrete Countable NounEmbedded Questions ConjunctionSpellingSimple Tenses in EnglishGRAMMAR - Could / Could notPronouns and QuantifiersPast Simple (Questions)
Other quiz: Grammar
He immediately _________the police.
B. was calling
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