Great changes have taken place in biejing for the past few y

Great changes have taken place in biejing for the past few y Great changes have taken place in Shanghai in the past few y In the past (a few;few)years,great changes have taken place great changes have taken place over the past fifty years. Great changes have taken place in my hometown in the past fe great changes have taken place in the past ten years in chin Great changes have taken place in the last few years.在过去几年里不 Great change have taken place in Xiaogan in the past few yea great changes have taken place in the village ____the years "Great changes have taken place in China since the introduct Great changes have taken place ...in china Great changes have taken place in China.