It is difficult for us to achieve success ______ we’ve actually changed the situation.
Jim is the only one of the policemen in his office who __________ the award.
The company the girl used to work ________ was shut down last month.
Unless __________, she won’t go to any party.
__________ his project, the boy had to stay up late.
________ I agree with you; let’s combine our ideas into a strong point.