Tommy hated school and was always looking for excuses(借口)not to go. If he sneezed(打喷嚏), he asked his mother to write to his teacher saying he had a cold. If he had a headache(头痛), he asked his mother to take him to the doctor during school hours. He spent more time at home than he did at school. On the days that he did go to school, he looked for excuses to come home early.
One day he came home from school in the middle of the morning. His father was surprised.
"You're home early," he said. "Is the school finished today?"
"No, dad," Tommy said. "I came home early."
"How did you do that?" his father asked him. "What did you say to the teacher?"
"I told her that I had a new baby brother and that I had to come home and help you."
"But your mother has had twins(双胞胎)," his father said, "a boy and a girl. You've got a baby brother and a baby sister."
"Yes, I know, Dad," Tommy said, "I'm saving up my baby sister for next week."
