attainable

"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. "

"Almost anyone can change a light bulb."

"I gave him a good grade for effort."

"The teacher handed out a schedule for the week's activities. "

"The student organized her notes into different folders so she could study more effectively. "

"To attain such a high level of proficiency requires hours of practice each day."

"She obtained her driver's license after passing the driving test. "

"Scientists are very diligent in their work."

"Maria achieved a perfect score on her math test. "

"The student diligently worked on the project and accomplished all the assigned tasks. "

"I need to study my biology notes."