Jack, a 13-year-old boy, doesn't like school and always looks for some excuses （借口） to go home early.

    On Monday morning, he gets home at ten o'clock.

    His father is very surprised.

    “You come home very early,” he says. “Do you have no classes today?”

    “No, Dad,” Jack says. “I have six classes today. ”

    “Why do you go home early?” his father asks him. “What do you say to your teacher?”

    “I tell her that I have a new sister, and I have to come home and help you.”

    “But your mother has twins, a boy and a girl,” his father says. “You have a baby brother and a baby sister.” 

    “Yes, I know, Dad,” Jack says. “I'm saving up （留着） my baby brother for next week.”

    根据短文内容选择最佳答案。

    1. Jack is _______ years old.

    A. 12   B. 13   
 
    C. 14   D. 15 

    2. Jack gets home at _______ on Monday.
 
    A. 10 am   B. 11 am  
 
    C. 10 pm   D. 11 pm

    A good excuse: 1—2 BA