Find the correct choices in brackets to complete the sentences. 1) — “Who is he? — “ I don ’ t know. You may ask Mary ___________ (who he is, who is he). ” 2) — “ We ’ re late. The play has started. ” — “ I wonder how long ago ________ (did it begin, it began). ” 3) He asked me if ______________ (I had enjoyed, had I enjoyed) the film. 4) Helen asked Roger, “Can you tell me when __________________ (you will have time, will you have time) to see me? ” 5) The teacher asked me ______________ (how old was I, how old I was). 6) She asked him if ___________________ (he would marry her, would he marry her). 7) Do you think __________ (should we, we should) invite the Browns? 8) I'd like to know how _________ (could I, I could) improve the design.