摘要: Great changes have taken piace in people s life in past 20 years. In the past , people kept in touch with relatives or friends mainly bu sending letters . They would listen to the radio for news and
(来源:文章屋网 www.wzu.com)
摘要: Great changes have taken piace in people s life in past 20 years. In the past , people kept in touch with relatives or friends mainly bu sending letters . They would listen to the radio for news and
(来源:文章屋网 www.wzu.com)