Great changes ------ in China since 1978

Great changes ------ in China since 1978 12.Great changes place in China since 1978 . great changes----in china since 1919 Great changes ________ in China since the People’s Republic "Great changes have taken place in China since the introduct great changes in China great changes ---in china since the people's republic of chi A great many changes have taken place in China since…的意思? Great changes have taken place in China since the People’s R 英语按要求该句子Great changes have taken place in China since libera Great changes ( ) in the city since 1979 Great changes have taken place ...in china