单项选择题
[听力原文] W: Excuse me, Mr. Johnson, may I ask you a question M: Sorry, Mary. I’m about to give a class now.
A．A student. B．A businessman. C．A teacher. D．A Policeman.
A．"Golden Age" Groups B．The American Opinion of Work C．The Importance of Work in America D．The Problems of Retirement in America
A．He wasn't able to produce a single book. B．He hadn't seen a change for the better. C．He wasn't able to rest for the whole year. D．He found out his dream would never come tru