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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:594

If you want to book tickets for the 2012 Olympic Games, just call 00952012.It ______ be simpler.

A.mustn't B.shan't C.needn't D.couldn't
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Ifyouwanttobookticketsforthe20