单项选择题
A．a place for boys to play games B．a group of young people C．a school bus for children to and from school D．the teacher's office
A．Danny was not a good student B．Danny's mother talked too much about the school C．Danny's teacher knew something about Danny's problem before D．Danny wanted to get away from Rick
A．invented the first stamp B．was a postman in England C．gave the idea to use stamps D．was the first man to use stamps