ten years __ past since I left my house. have还是has?

ten years __ past since I left my house. have还是has? over the past ten years是什么意思 She has left her hometown for ten years改同义句 Ten years __ __ __ she __ her hometowm. My life____(change)a lot in the past ten years. 句中有Over the past ten years 应用什么时态? ten past in last ten years 和in the past ten years有什么区别 分别用什么时态? In the past ten years ,their lifestyle has changed greatly 句型转换In the past ten years ,the ( ) they( ) has changed greatly ten past one中的past 改为同义句:the boy is only ten years oldHe is only a __ __ . How long __ you __(be) a policeman?For ten years Great changes have taken place in our hometown during the past ten years.中文意思是什么. Our life ___(change) a lot in the past ten years over the past ten years ,Our hometown has changed a lot .中over咋回事 over the past ten years能加过去完成时吗?如果不能,请问为什么? scientists have made a lot of important d___ in science in the past ten years Many changes_____(take)place over the past ten years/ 填什么? two power station ____ （build）in the past ten years