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．she had known it B．the other boys told her C．he didn't want to be in trouble D．his mother didn't want him to say it
A．was tired of the school and his friends B．had no friends at all C．was not sure what he should do with the problem D, made some new friends in the neighborhood