In the past few years there great changes in my hometown.A. have beenB. wereC. had beenD.

问题补充：

In the past few years there great changes in my hometown.

A. have been

B. were

C. had been

D. are

答案：

(答案→)A. have been

B. were

C. had been

D. are

解析：考察时态,根据时间状语在过去几年中可知句子为现在完成时态,位于动词需要与great changes复述保持一致,故选A.