Fred likes fish very much. One day, he buys(买)some fish and takes it home. His son sees the fish and says to himself, "Very good! I can ask my friends to have it for lunch."

    The next day（第二天）, Fred comes home in the evening. The fish isn't there. His son says, "Oh, dad, your cat eats the fish." Fred gets angry (生气). He takes the cat and his son to the shop and weighs (称) the cat. Then he says, "Little boy, my fish weighs one kilo, and the cat weighs one kilo too. My fish is here, then where is my cat?"

    When Mary Smith was a 1, she wanted to be a teacher, 2 she liked children. When she was twenty, she began teaching in a small school. She was a good teacher, and she 3 a lot with the children in her class. They 4 her teaching.

    One day, 5 of the girls in her class said to her, "Miss Smith, 6 does a man's hair become grey before his beard (胡子)does?"

    Mary laughed(笑) and answered, "I don't know. Helen, do you know?"

    "I don't know, 7 . Miss Smith," said Helen, "But it happened 8 my father." The other children in the class laughed when they heard this.

    Then a boy said, "I 9, Miss Smith! A man's hair becomes grey 10because it's sixteen years older than his beard."