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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1568

—You didn’t wait for Mr. Smith last night, did you?
—No, but we ______. He didn’t return home at all.

A.needn’t have waited
B.couldn’t have waited
C.didn’t need to
D.should wait
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—Youdidn’twaitforMr.Smithlastn