激光加工的原理:in last ten years 和in the past ten years有什么区别 分别用什么时态？

in last ten years 和in the past ten years有什么区别 分别用什么时态？ Ten years living in a paperbag ten years before和ten years ago的区别？ in the last few years是什么时态 my father and mother_____(be)in habei for ten years Ten years的英文歌词 Ten Years of Sexy We have accomplished ___ in the past three years ___ would have taken ten years in the past. We have accomplished ___ in the past three years ___ would have taken ten years in the past. We have accomplished ___ in the past three years ___ would have taken ten years in the past.