In the past few years there ______ great changes in my hometown.
A. have been B. were C. had been D. are
In the past few years there ______ great changes in my hometown.
A. have been B. were C. had been D. are
答案：A
解析：本题考查现在完成时的用法。“in the past few years”表示“在过去几年里”，用于现在完成时句子中。