The dog was wild and didn't listen to its owner, the person had never given it what? - a treat - guard house - fleas - punishment - abandoned  The best answer is
punishment

What do children feel when going to the opera? - headache - fresh - constipated - confusion - boredom  The best answer is
boredom

If I wanted to get some oxygen, what will I get it from? - the sky - air - earth - space shuttle - water  The best answer is
air

What does a person use to fight off disease? - immune system - name - one head - grip - fingernails  The best answer is
immune system