阅读短文,Four Years Old at Home,Two and a Half in Buses TrainsA

阅读短文,
Four Years Old at Home,Two and a Half in Buses Trains
A mother and her young son get into a bus in a small city and sit down.The conductor(售票员） comes to them for their money.The mother says,“I want a ticket to Oxford(牛津,英国城市）,”and gives her a shilling(先令,英国货币单位）.
The conductor looks at the small boy for a few seconds(几秒钟） and then says to him,“How old are you,young man?”
The mother begins speaking,but the conductor stops her,and the boy says,“I'm four years old at home,and two and a half in buses and trains.”
The mother takes six pence(六便士硬币）out of her bag and gives it to the conductor.
The conductor gives her one and a half tickets.
1.How old is the boy?_____________________
2.How much is the ticket to Oxford for adult(成年人）?_________________________
3.How many tickets does the woman need?___________________________________
就一位老兄么？还有老兄会回答，