Though I have no idea _______ the new film is about, I know it is popular with all who have seen it.
Could you ___ this 10-dollar bill so I can make a phone call?
______left before the deadline, it doesn’t seem likely that John will finish the job.
He did it___ it took me.
Books are the important records we keep___ man’s thoughts, ideas and feelings.
I don’t really work here; I ___ until the new secretary arrives.