问题补充:
The Shanghai World Expo is intended to achieve our common goal: world that is safer, cleaner and healthier than one we’re living in.
A. the; the
B. a; /
C. a ; the
D. the ; /
答案:
A. the; the
B. a; /
(答案→)C. a ; the
D. the ; /
解析:考查冠词。句中a world泛指一个世界;the one中的one代指world,这里特指我们现在所生活的世界。故选C。