单项选择题
A．about 384 000 kilometers B．240 000 kilometers C．only 348 000 kilometers D．about 384 000 meters
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