A 根据下面短文回答下列问题。 Tommy didn’t like school and was always looking for excuses not to go. 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 (吃惊). "Is the school closed today" his father asked him. "No, dad," Tommy said. "It’s open. 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 (婴儿弟弟) and that I had to come home and help you." "But your mother has had twins (双胞胎)," his father said, % boy and a girl. You’ve got a baby brother and a baby sister." "Yes, I know." Tommy said. "I’m saving up my baby sister for next week.\ Tommy spent most of his time ______.