Peter ________ at this job since he graduated from college.
The ___________ boy was last seen ___________ near the East Lake.
It was never clear ___________ the man hadn't reported the accident sooner.
It is uncertain ___________ side effect the medicine will bring about,although about two thousand patients have taken it.
It never occurred to me ___________ you could succeed in persuading him to change his mind.
The football match was said ___________ in Rome last week.