阅读短文，根据短文内容回答问题。 Sally's father is ill in hospital. and her mother has to look after her father there The woman can't leave their four-year-old son Harry at home. So she asks Sally, 'How many classes do you have this afternoon?' 'We have no classes today,' answers the girl. 'We're having a school sports meeting today.' 'That's great!' says her mother. 'Take your brother to your school. Tell your teachers I have a lot of things to do. I'm sure they can let you look after him today.' Sally does what her mother says. This little boy comes to school for the first time and thinks everything is interesting. He sees some children having a race and asks. 'What are they running for, Sally?' 'The first one can get a prize.' answers Sally. 'Now, I see. But why are the others running?' 1. Where is Sally's father? ____________________________________ 2. Who will take care of Sally's father? ____________________________________ 3. How old is Harry? ____________________________________ 4. Does Harry often go to school? ____________________________________ 5. Why does Sally take her brother to school today? ____________________________________