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  • 科目:英语
  • 题型:单选题
  • 难度:较难
  • 人气:1490

—Do you still remember when we went to Nanjing?
—I can't remember now but ________ sometime last summer?

A.might it be B.could it be
C.could it have been D.should it have been
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—Doyoustillrememberwhenwewentt