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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1401

The company had about 20 notebook computers but only one-third _______ used regularly. Now we have 60 working all day long.(2006浙江)

A.is B.are C.was D.were
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Thecompanyhadabout20notebookco