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？
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