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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1455

We work together to achieve our common purpose: ____ world that is safer, cleaner and healthier than ____ one we founded.

A.the; the B.a; 不填 C.a; the D.the; 不填
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Weworktogethertoachieveourcomm