great changes----in our city in the past three years 1took p

great changes----in our city in the past three years 1took p In the past three years there great changes in Beijing. Great changes _____ in Hainan in the past three years. Great changes _________(happen ) in our city in the past. Great changes ________ in the last three years in our city . great changes ___in our hometown in the past ten years 选择 In the past few years there ___great changes in our city. In the past ten years there ___ great changes in our hometow there——great changes in our town in the past fifteen years.A __has happend is that in the past three years great changes There( ) great changes in Shanghai in the past few years. Great changes( )place in China in the past 20 years.