China has changed a lot _____ these years填 in 还是 for

China has changed a lot in the past twenty years China has changed a lot in the _______(twenty) chentury -China develops so fast.-That‘s sure.It___a lot already.A.changes B.changed C.will change D.has changed Tom has changed a lot since he come to China.怎么提问? China has changed a lot _____ these years填 in 还是 for Hong Kong has changed a lot after its _________(return)to China.为什么? China has changed a lot in the past thirty years.同义句转换转换成 Great（ ）（ ）（ ）（ ）in China in the past thirty years. China has changed a lot in the past fifty years.同义句改为lots of changes to china in the past fifty years a word that has changed the world a word that has changed the world our school ( ) a lot A changes B changed C was changed D has changed my life has changed a lot中的has changed a lot是什么语啊 Everything on the earth___all the time.A.are changed B.changes C.has changed D.has been changed The conteng has changed The conteng has changed.As a result the game must restart China has a large population. China has a long____(历史). China has changed greatly in recent years.(改为同义句） 是there has changed a lot还是there have changed a lot?”为什么