Finally, the thief handed everything_______ he had stolen to the police .
—Where did you get to know her? —It was on the farm __________ we worked.
Some pre-school children go to a day-care center, __________ they learn simple games and songs.
After graduation she reached a point in her career __________ she had to decide what to do.
He was educated at the local high school, __________ he went on to Beijing University.
By serving others, a person focuses on someone other than himself or herself, __________ can be very eye-opening and rewarding.