英语题：great changes ——（take)place in China in the last 30 year

英语题：great changes ——（take)place in China in the last 30 year Great changes in china during the last 30 years.(take place) Great changes < >place last year in our city Great changes_____(take)place in china in the last 30 years. Great changes _____ (take) place in our city in the last ten Great changes _____(take)place in my school in the last few Great changes( )place in China in the past 20 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. Great changes __(take) place in Jiangsu in the past 30 years great changes ___(take)place there last year