Nancy, ____ for about half a year to apply for a job as an airline hostess, finally took a position at a shopping center.
Mary wrote an article on ____the team had failed to win the game .
After Yang Liwei succeeded in circling the earth ,_______our astronauts desire to do is walk in space .
we can not figure out ____quit a number of insects ,birds ,and animals are dying out .
He was chosen _________ of the company.
In the botanic garden we can find a(n)______of plants that range from tall trees to small flowers.