in the past years ,there ____great changes in

in the past years ,there ____great changes in There( ) great changes in Shanghai in the past few years. In the past three years there great changes in Beijing. In the past years,there （ ）great changes in my hometown 填 ha In the past few years,there ______great changes in my hometo in the past few years there have been great changes in my ci In the past ten years there ___ great changes in our hometow 选择 In the past few years there ___great changes in our city. there——great changes in our town in the past fifteen years.A In the past few years there __great changes in my hometowmn. in the past few years there( )great changes in my hometown为什 there _____ great changes in Shenzhen in the past ten years.