You know great changes in our school in the past ten years. A. have been taken placeB. to

问题补充：

You know great changes in our school in the past ten years.

A. have been taken place

B. took place

C. have taken place

D. were taken place

答案：

A. have been taken place

B. took place

(答案→)C. have taken place

D. were taken place

解析：C “发生”take place没有被动形式，排除A、D；in the past ten years提示用完成时，故选C。