All our efforts will be made to create more peaceful and more advanced world, place wher

All our efforts will be made to create more peaceful and more advanced world, place where everyone enjoys his life and freedom.
A. /; the
B. a; a
C. the; a
D. a; the

A. /; the(答案→)B. a; aC. the; aD. a; the解析：考查冠词：句意：我们所有的努力最后都会创造一个更加宁静的进步的世界，一个每个人都能享受生活和自由的世界。第一空填a，表示“一个…的世界”，第二空填a，a place和前面的a more peaceful and more advanced world,是同位的关系。选B。

我明天再问问老师，叫他解释下这个问题