The past 30 years the great changes that have taken place in my hometown.A. sawB. was seen

发布时间：2020-08-17 01:18:19

The past 30 years     the great changes that have taken place in my hometown.
A. saw
B. was seen
C. have seen
D. see

网友回答

A. saw
B. was seen
(答案→)C. have seen
D. see
解析：表示过去的某一动作或行为一直持续到现在，故用现在完成时。
以上问题属网友观点，不代表本站立场，仅供参考！