【题目】Nanjing is no longer what it was. Great changes _____ in the past few years.
A.were taken placeB.are taken place
C.have taken placeD.are taking place
在线课程【答案】C
【解析】
考查时态和语态。句意：南京不再是原来的样子了。 过去几年发生了巨大变化。take place为固定词组，意为“发生”，它没有被动语态， 根据时间状语in the past few years可知为现在完成时，故选C。