It took me quite a long time to develop a voice, and _______ I have it, I am not going to be silent

My new issue of Twenty-first Century School Edition has disappeared. Who _____ have taken it? [ ]

What do you think of the film you saw yesterday —Oh! It’s one of ________films I’ve ever seen.

I ________ asleep because it took me a long time to realize that the telephone was ringing.　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

If I _____ Barack Obama, I ______ to receive the Nobel Prize for Peace. 　　 — Really? Why? 　[ ]