during the past 20 years 和 over the past 20 years一样吗?

during the past 20 years 和 over the past 20 years一样吗? during the past与in the past的区别 during the past quarter-cenrury什么意思? during the past 50 years用于什么时态 What _____you _____(do) during the past two years? During the past century需要涉及的时态是什么啊? During the past two years与in the past two years区别 Great changes___in our country during the past 20 years.A.have happened B.happenedC.have been happened D.were happened in the last two years/during the last two years/in the past two years/during the past two years有什么区别? My life has changed a lot during the _____ years.A past a few B past few C a few past D few past (1/3)During the past year,the number of traffic accidents in that city( Great changes____ in our country during the past 20 years.A.have happened B.happened c.have been happened D.were happened为什么 Great changes have taken place in our hometown during the past ten years.中文意思是什么. great changes ___(take)place during the past few years in our town无 We _(be) there many times during the past three years.填空并翻译 During the past week,I have spent more than eleven hours on my homework.(mo It during the past five years用change a lot 什么时态 是一般过去时还是现在完成时 During the past five years,there ＿＿＿（be）great changes in our village.