We can have bluer sky if we create less polluted world.A. a. aB. a, theC. the, aD. the,

发布时间：2020-08-21 06:43:12

We can have      bluer sky if we create      less polluted world.
A. a. a
B. a, the
C. the, a
D. the, the

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(答案→)A. a. a
B. a, the
C. the, a
D. the, the
解析：两个都表示是泛指，故选A
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