分类：教育/科学-外语学习-英语考试
问题：时态滴Morethan70%people______intraf 
  More than 70% ople ______in traffic accidents in the past few years.A.killedB.are killedC.were killedD.have been killed有past应该是用过去时吧？
回答：D
in the past few years 在过去的几年中，时态要用现在完成时
in the past 在过去 时态用过去时