In the past twenty years great changes _______in China. A．we

Great changes _______in the past two years. Great changes( )place in China in the past 20 years. 单项选择：Great changes ____ in the past ten years in China . There( ) great changes in Shanghai in the past few years. In the past three years there great changes in Beijing. Great changes ---- in my hometown in the past few years. Great changes _____ in Hainan in the past three years. housing condition changes in the past 30 years in china Great changes ______in Guangzhou in the past five years. great changes ___in our hometown in the past ten years there——great changes in our town in the past fifteen years.A (B.)Great changes ___ in Tongren in the past five years.A.ha