endeavored

"You must do your homework before you can watch television."

"It was worth the attempt."

"My friend told me there was something in the box, but I didn't know what it was yet. "

"The dry-stone wall used a large, flat through to support the top stones. "

"I must make this deadline or my boss will kill me!"

"The application of this cream should reduce the swelling."

"This flow chart represents the assignment of tasks in our committee."

"Teaching oneself to swim can be dangerous."

"The student studied for the exam strenuously, spending hours reviewing notes and practicing problems. "

"He is a student of life."

"The complicated instructions on the new software difficult me from completing the project on time. "

"We challenged the boys next door to a game of football."