behaves

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

"The school board will regulate the dress code for students next year. "

"The adverbial "happily" shows how the student reacted to the good grade. "

"Teaching oneself to swim can be dangerous."

"The specific of her success was her dedication to studying. "

"Sentence: "The student listened respectfully to the teacher's instructions." "

"A portion of your mortgage payment goes to reduce the principal, and the rest covers interest."

"You should do your homework yourself. "

"The teacher had high expectations for her students' test scores. "

"The speaking portion of the exam made me nervous. "

"The student politely raised her hand to ask a question. "

"The teacher's conduct of the class ensured a smooth and orderly learning environment. "