—She got her first science fiction published. It turned out to be________.—When was that?—It was in 2009 ________ she was still in college.

At the meeting they discussed three different __________ to the study of mathematics.

From their _____on the top of the TV Tower, visitors can have a better view of the city.

In order to learn the _______ of the family business, Bill took a job as messenger boy in one of the offices.

The __________ of his books among parents and the recommendation of experts both at home and abroad have quickly made him a celebrity educator.