We can never expect ________ bluer sky unless we create ________ less polluted w - 高中英语试题 - 超级试练试题库

We can never expect bluer sky unless we create less polluted w

题型：不详难度：来源：

We can never expect ________ bluer sky unless we create ________ less polluted world.

A．a；a

B．a；the

C．the；a

D．the；the

答案

解析

句中sky与world都表示泛指，a表示“一”这个数量，相当于“one”。
答案　A

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A．the；the

B．a；a

C．a；the

D．the；a

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A．a；the

B．/；a

C．the；a

D．the；the

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A．an；/

B．the；the

C．an；the

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A．/；the

B．the；/

C．a；a

D．/；a

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A．a；the

B．the；/

C．a；/

D．/；a

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