No Cavities http://www.xue90.cn来自《幽默学英语》网
A smiling boy arrived home from a dental visit, "Hey mom, the says I have no cavities. "
His mom stared at him wide-eyed and quite surprised,”It’s impossible --you never brush your teeth after cleaning the chocolate box before you go to bed!
Then the boy opened his mouth --he had not a tooth left!
stared at v.(～at)凝视,盯着看