Great changes______ in our country since 1980.

Great changes______ in our country since 1980. There have been great changes in our country since 1990. There（be）great change in our country since 1979 There ___has been_______ great changes in our country since Great changes __________ in our country since 1978.(take pla There _____(be) great changes in our country since 1979.谁若知道 There ______(be) great changes in our country since 1979.用所给 There____great changes in our country since 1979 翻译 our soldier take great pains in defending our country Since 1980s,our country have great changed.=Great changes ha Great changes took place in our city since 1980.时态 翻译 In our great socialist country,millions of ordinary people a