There have been great changes in our city since he became th

There have been great changes in our city since he became th There have been great changes in our city since 1978.have be There have been great changes in our country since 1990. There have been great changes in our city over the past five there _____（be）great changes in our city since 2000 There have been great changes in my home town since 1979.那一个 There have been great changes in our hometown in the （p ）10y There ___has been_______ great changes in our country since There have been many great changes in our city____（最近几年） 首字母填空There have been e( ) great changes taking place in our Great changes ( ) in the city since 1979 There have been great changes in computers(同义句）