All of us live and die on this planet,we have n_______known any other home.Men believed for thousands of years that the earth was the center of e________
问题描述：
All of us live and die on this planet,we have n_______known any other home.
Men believed for thousands of years that the earth was the center of e________
答
not /never , 翻译：我们都生存和死亡在这个星球上，对另外的安居之地我们还未发现、从来没发现。
everything ,上千年来人们一直相信地球就是一切的中心。
答
never
everything