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  • 科目:英语
  • 题型:单选题
  • 难度:较易
  • 人气:145

―We didn’t see Robert at the opening ceremony yesterday.                    
―No, he _______ it.

A.mustn’t have attended B.needn’t have attended
C.needn’t attend D.didn’t need to attend
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―Wedidn’tseeRobertattheopening