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  • 科目:英语
  • 题型:单选题
  • 难度:较易
  • 人气:1581

Thank you for your help. ______ for your help, I wouldn’t have succeeded in my experiment.

A.If it is not B.Were it not
C.Had it not been D.If they were not
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Thankyouforyourhelp.foryourhel