My granny has lived in Beijing for about forty years．（76）___has seen the changes in Beijing herself．
In the 1960s，the （77）___（生活） conditions in the city were poor．Usually，a big family were （78）___（拥挤的） in a small house．Many families couldn't get enough food and only a few children had the chance to receive a good education．Life was （79）___ hard that people had no time or money to enjoy leisure activities．People （80）k___ in touch with their friends and relatives far away mainly by letter or telegram．
China has developed rapidly （81）___the reform and opening-up policy began to be carried out．Buildings in Beijing are becoming （82）t___ and brighter．People's life has improved a lot．And there are more kinds of food and clothes to choose （83）___．People can enjoy more sorts of leisure activities．Children can study not only in modern （84）s___ but also on the Internet．What's more，（85）___（交流） are becoming easier and quicker----people can use telephones，cellphones，fax machines and the Internet．