learnt

"It was worth the attempt."

"The student's ability to concentrate in noisy environments was crucial for success in the class. "

"My knowledge of history helped me understand the current political situation better. "

"He is a student of life."

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

"My younger sister acquired a new bicycle for her birthday. "

"That gentleman is a stranger to me.  Children are taught not to talk to strangers."

"The medicine helped my grandmother feel better after she had the flu. "

"It was an experience he would not soon forget."

"Pit row was abuzz with activity."

"The teacher informed the class about the upcoming history test. "

"The travel agency offered an educational trip to the Caribbean for its consultants. "