There great changes in our hometown in the past fifteen years.A. has beenB. have beenC. w

发布时间：2020-08-21 00:20:07

There      great changes in our hometown in the past fifteen years.
A. has been
B. have been
C. was
D. were

网友回答

A. has been
(答案→)B. have been
C. was
D. were
解析：考查时态。in the past +时间段，后用现在完成时态，根据题中的in the past fifteen years是现在完成的标志词之一，所以选B。
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