He knew that he was exhausted. (into interrogative) Option A: Did he know that was exhausted? , Option B: Didn\’t he know that he was exhausted? , Option C: Did he know who was exhausted?, Option D: Was he known that he was exhausted?, correct answer is: Didn\’t he know that he was exhausted?
He knew that he was exhausted. (into interrogative) Show Explaination