— “Who is he?”— “I don’t know. You may ask Mary ___________ (who he is, who is he).”
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— “We’re late. The play has started.”— “I wonder how long ago ________ (did it begin, it began).”
He asked me if ______________ (I had enjoyed, had I enjoyed) the film.
Helen asked Roger, “Can you tell me when __________________ (you will have time, will you have time) to see me?”
The teacher asked me ______________ (how old was I, how old I was).