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A.
Changing active voice into passive voice.
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B.
Changing passive voice into active voice.
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C.
Changing affirmative sentences into negative sentences.
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D.
Changing interrogative sentences into assertive sentences and their reverse.
Correct Option: BExplanation:
Sentence transformation can take several forms. They include: altering active voice to passive voice, affirmative sentences to negative sentences, interrogative statements to assertive sentences and vice versa, and so on.