Can you imagine a person _______ in the institutional revolution for doing nothing wrong?
Not until the train pulled into the station that his suitcase was gone.
This is the best way ______ I have thought of ______ the problem.
However difficult you find to arrange your time, it will pay off in the long run.
Walter offered us a lift when he was leaving the office, but our work ______, we didn’t accept the offer.
The job proved to be much more difficult than I______.