Mary works in a bank. She is busy every day that she no time to make dinner. There is a(n) near Mary's house. After Mary comes back home from work, she likes to go to the restaurant dinner.
One day, Mary was in the restaurant, she saw old man next to her looking for (寻找) something on the floor (地板). Mary felt surprised. So she the old man, are you looking for?"
"Oh, a piece (块) of bread," the man answered.
"A piece of bread? Oh, the floor is so . Please take this piece. "Mary gave (给) a big piece of bread to the old man.
"But my teeth in that piece of bread."
