问题补充:
Wouldn’t it be wonderful world if all nations lived in peace with one another?
A. the; /
B. a; /
C. the; the
D. a; the
答案:
A. the; /
(答案→)B. a; /
C. the; the
D. a; the
解析:world表示“世界”时,通常在其前加定冠词the;但world前面或后面有定语修饰时,通常要用不定冠词a。in peace是固定用法,意思是平安,和平。