题目内容

If we ___________some measures, we might have prevented the environmental pollution．

A．take

B．had taken

C．took

D．have taken

解析

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完成句子：(共15分)

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If we ___________some measures, we might have prevented the environmental pollution.

A．take

B．had taken

C．took

D．have taken

If we ___________some measures, we might have prevented the environmental pollution．

If we ______ some other action to take the pressure off, the business ______ amazingly well.（）

A. could have taken; would do　　　 B. had taken; would do

C. could take; would have done　　 D. could have taken; would have done

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