—The authors of computer viruses are geniuses.—I agree. If they applied their wisdom to other net technology _____ human beings can benefit, it would be better.
All of the flowers now raised here have developed from those _______ in the forest.
Our company will move to a tall building _______ we worked two years ago.
Our company will move to a tall building _______ has just been complete.
Our company will move to a tall building _______ we bought last month.
She says that she’ll never forget the time ________ she works as a secretary in our company.