Great changes have________in Shanghai in the past few years．A.happenedB.taken placeC.been heldD.taken the place
网友回答
B解析分析：此处的“发生”不是偶然的，而是人们的努力而产生的，所以应该用take place．D项的短语是take the place of(代替)不符合此处的句意。C项have been held适用于主语是meeting，spots meeting的情况。(延伸)The Olympic Games take place every four years．＝The Olympic Games are held every four years．