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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1284

—I’m disappointed the experiment turned out to be       complete failure again.
—Don’t lose heart.Try      third time.

A.the;a B.a;the
C.a;a D.不填;the
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—I’mdisappointedtheexperimentt