How does the boy feel while looking at the math problem?
He feels confused. (What school subject makes you feel the most confused?)
Did the girl purposely or accidentally spill her milk?
She accidentally spilled it. (Have you ever accidentally spilled something? What happened?)
What is the dad warning his son not to do?
He's warning him not to cross the road. (What have your parents warned you not to do? Why did they warn you not to do it?)