We never expect___bluer sky unless we create __less polluted world.A a,a B a,the C the ,a D the,th

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Weneverexpect___bluerskyunlesswecreate__lesspollutedworld.Aa,aBa,theCthe,aDthe,thWeneverexpect___blu

We never expect___bluer sky unless we create __less polluted world.A a,a B a,the C the ,a D the,th
We never expect___bluer sky unless we create __less polluted world.A a,a B a,the C the ,a D the,th

We never expect___bluer sky unless we create __less polluted world.A a,a B a,the C the ,a D the,th
答案:A
翻译:如果我们没有创造一个更少污染的世界,我们就永远无法期待一个更蓝的天空.
类似sky/world这种独一无二的事物,如果它们单独用在句中,前面必须加定冠词the
但是如果其前有其他形容词修饰时,则一般加不定冠词a/an.
语法规定如此,楼主记住即可.
冠词到底选用定冠词还是不定冠词,除了一些固定搭配外,更多是靠语意来判断是特指还是泛指的.
再如:I would like to live in a peaceful world.
我想要生活在一个和平的世界里.

C