Many changes_____(take)place over the past ten years/ 填什么?

Many changes_____(take)place over the past ten years/ 填什么? Great changes_____(take) place in the past 30 years. over the past ten years 句中有Over the past ten years 应用什么时态? Great changes_____(take)place in china in the last 30 years. over the past ten years是什么意思 Over the past ten years ,over这里是介词吗 Many changes()place over the years in Guangzhou.A.will take they --all over the country in the past ten years 英语翻译Increasingly,over the past ten years,people – especially over the past ten years能加过去完成时吗? great changes have taken place over the past fifty years.