diligent

"The drummer emphasized the ands in the song, making the rhythm very clear. "

"They brought their books with them."

"Do you want to come with?"

"He tried his very best."

"Scientists study plants to understand how they grow. "

"The boat was hauled out of the water using the nearby hard. "

"I was very industrious in my effort to learn unicycle riding."

"My concentration was high during the important math test. "

"It took him only twenty minutes to perform the task."

"The construction crew's working on the new school building is going smoothly. "

"I have to focus on my work."

"My work schedule is very demanding this week. "