There was some controversy about the new school dress code. While most parents and teachers were in favor of the new code, many students were not. What does controversy mean?

As the author of the Harry Potter series, JK Rowling is a prominent writer in the field of children's literature. What does prominent mean?

Mara was feeling apprehensive about the camping trip. She had never slept in a tent before. What if there were bears of mountain lions? What does apprehensive mean?

David knew that the advanced studies program was rigorous. It would require a great deal of reading and homework. Still, he felt he was up to the challenge. What does rigorous mean?

The shallow river was usually easy for hikers to wade across. However, the recent heavy rains had turned it into a rushing torrent, too treacherous to cross. What does treacherous mean?

Dan did not enjoy his job as a dishwasher. It was monotonous work, doing the same thing over and over. what does monotonous mean?

As the students generated ideas for solving the problem, Mr. Smith wrote them on the board so they wouldn't be forgotten. What does generated mean?

In order to be eligible for the life guard program, participants had to take first aid training and be advanced swimmers. What does eligible mean?