Would not it be__wonderful world if all nations lived in__peace with one another?

题目

Would not it be__wonderful world if all nations lived in__peace with one another?
A.a;the B.the;the C.a;/ D.the;/
能说一下为什么吗?老师说答案是C啊

答案

C in a wonderfull world,后面的all nations lived in__peace with one another,是world的状态,就是说是这样的一个世界,是一个很明确的指代.如果说她是这个这个世界上最漂亮的,就用the.如She is the most beautifull...