there _____ great changes in Shenzhen in the past ten years.

there _____ great changes in Shenzhen in the past ten years. In the past ten years there ___ great changes in our hometow great changes ___in our hometown in the past ten years Great changes _____ in Hainan in the past three years. There( ) great changes in Shanghai in the past few years. In the past three years there great changes in Beijing. 单项选择：Great changes ____ in the past ten years in China . great changes have taken place in the past ten years in chin In the past years,there （ ）great changes in my hometown 填 ha in the past few years there have been great changes in my ci there——great changes in our town in the past fifteen years.A in the past few years there( )great changes in my hometown为什